Illustration of a trigonometric grid with a domain from -4π to 4π and a range from -10 to 10. The increments on the x-axis are marked in intervals of ½π.

Trigonometry Grid With Domain -4π to 4π And Range -10 to 10

Illustration of a trigonometric grid with a domain from -4π to 4π and a range from -10 to 10.…

Illustration of a trigonometric grid with a domain from -4π to 4π and a range from -10 to 10. The increments on the x-axis are marked in intervals of 1/3π.

Trigonometry Grid With Domain -4π to 4π And Range -10 to 10

Illustration of a trigonometric grid with a domain from -4π to 4π and a range from -10 to 10.…

Illustration of a trigonometric grid with a domain from -4π to 4π and a range from -10 to 10. The increments on the x-axis are marked in intervals of ¼π.

Trigonometry Grid With Domain -4π to 4π And Range -10 to 10

Illustration of a trigonometric grid with a domain from -4π to 4π and a range from -10 to 10.…

Illustration of a trigonometric grid with a domain from -4π to 4π and a range from -2 to 2. The increments on the x-axis are marked in intervals of ½π.

Trigonometry Grid With Domain -4π to 4π And Range -2 to 2

Illustration of a trigonometric grid with a domain from -4π to 4π and a range from -2 to 2. The…

Illustration of a trigonometric grid with a domain from -4π to 4π and a range from -2 to 2. The increments on the x-axis are marked in intervals of 1/3π.

Trigonometry Grid With Domain -4π to 4π And Range -2 to 2

Illustration of a trigonometric grid with a domain from -4π to 4π and a range from -2 to 2. The…

Illustration of a trigonometric grid with a domain from -4π to 4π and a range from -2 to 2. The increments on the x-axis are marked in intervals of ¼π.

Trigonometry Grid With Domain -4π to 4π And Range -2 to 2

Illustration of a trigonometric grid with a domain from -4π to 4π and a range from -2 to 2. The…

Illustration of a trigonometric grid with a domain from -4π to 4π and a range from -3 to 3. The increments on the x-axis are marked in intervals of ½π.

Trigonometry Grid With Domain -4π to 4π And Range -3 to 3

Illustration of a trigonometric grid with a domain from -4π to 4π and a range from -3 to 3. The…

Illustration of a trigonometric grid with a domain from -4π to 4π and a range from -3 to 3. The increments on the x-axis are marked in intervals of 1/3π.

Trigonometry Grid With Domain -4π to 4π And Range -3 to 3

Illustration of a trigonometric grid with a domain from -4π to 4π and a range from -3 to 3. The…

Illustration of a trigonometric grid with a domain from -4π to 4π and a range from -3 to 3. The increments on the x-axis are marked in intervals of ¼π.

Trigonometry Grid With Domain -4π to 4π And Range -3 to 3

Illustration of a trigonometric grid with a domain from -4π to 4π and a range from -3 to 3. The…

Illustration of a trigonometric grid with a domain from -4π to 4π and a range from -4 to 4. The increments on the x-axis are marked in intervals of ½π.

Trigonometry Grid With Domain -4π to 4π And Range -4 to 4

Illustration of a trigonometric grid with a domain from -4π to 4π and a range from -4 to 4. The…

Illustration of a trigonometric grid with a domain from -4π to 4π and a range from -4 to 4. The increments on the x-axis are marked in intervals of 1/3π.

Trigonometry Grid With Domain -4π to 4π And Range -4 to 4

Illustration of a trigonometric grid with a domain from -4π to 4π and a range from -4 to 4. The…

Illustration of a trigonometric grid with a domain from -4π to 4π and a range from -4 to 4. The increments on the x-axis are marked in intervals of ¼π.

Trigonometry Grid With Domain -4π to 4π And Range -4 to 4

Illustration of a trigonometric grid with a domain from -4π to 4π and a range from -4 to 4. The…

Illustration of a trigonometric grid with a domain from -4π to 4π and a range from -5 to 5. The increments on the x-axis are marked in intervals of ½π.

Trigonometry Grid With Domain -4π to 4π And Range -5 to 5

Illustration of a trigonometric grid with a domain from -4π to 4π and a range from -5 to 5. The…

Illustration of a trigonometric grid with a domain from -4π to 4π and a range from -5 to 5. The increments on the x-axis are marked in intervals of 1/3π.

Trigonometry Grid With Domain -4π to 4π And Range -5 to 5

Illustration of a trigonometric grid with a domain from -4π to 4π and a range from -5 to 5. The…

Illustration of a trigonometric grid with a domain from -4π to 4π and a range from -5 to 5. The increments on the x-axis are marked in intervals of ¼π.

Trigonometry Grid With Domain -4π to 4π And Range -5 to 5

Illustration of a trigonometric grid with a domain from -4π to 4π and a range from -5 to 5. The…

Illustration of a trigonometric grid with a domain from -4π to 4π and a range from -6 to 6. The increments on the x-axis are marked in intervals of ½π.

Trigonometry Grid With Domain -4π to 4π And Range -6 to 6

Illustration of a trigonometric grid with a domain from -4π to 4π and a range from -6 to 6. The…

Illustration of a trigonometric grid with a domain from -4π to 4π and a range from -6 to 6. The increments on the x-axis are marked in intervals of 1/3π.

Trigonometry Grid With Domain -4π to 4π And Range -6 to 6

Illustration of a trigonometric grid with a domain from -4π to 4π and a range from -6 to 6. The…

Illustration of a trigonometric grid with a domain from -4π to 4π and a range from -6 to 6. The increments on the x-axis are marked in intervals of ¼π.

Trigonometry Grid With Domain -4π to 4π And Range -6 to 6

Illustration of a trigonometric grid with a domain from -4π to 4π and a range from -6 to 6. The…

Illustration of a trigonometric grid with a domain from -4π to 4π and a range from -7 to 7. The increments on the x-axis are marked in intervals of ½π.

Trigonometry Grid With Domain -4π to 4π And Range -7 to 7

Illustration of a trigonometric grid with a domain from -4π to 4π and a range from -7 to 7. The…

Illustration of a trigonometric grid with a domain from -4π to 4π and a range from -7 to 7. The increments on the x-axis are marked in intervals of 1/3π.

Trigonometry Grid With Domain -4π to 4π And Range -7 to 7

Illustration of a trigonometric grid with a domain from -4π to 4π and a range from -7 to 7. The…

Illustration of a trigonometric grid with a domain from -4π to 4π and a range from -7 to 7. The increments on the x-axis are marked in intervals of ¼π.

Trigonometry Grid With Domain -4π to 4π And Range -7 to 7

Illustration of a trigonometric grid with a domain from -4π to 4π and a range from -7 to 7. The…

Illustration of a trigonometric grid with a domain from -4π to 4π and a range from -8 to 8. The increments on the x-axis are marked in intervals of ½π.

Trigonometry Grid With Domain -4π to 4π And Range -8 to 8

Illustration of a trigonometric grid with a domain from -4π to 4π and a range from -8 to 8. The…

Illustration of a trigonometric grid with a domain from -4π to 4π and a range from -8 to 8. The increments on the x-axis are marked in intervals of 1/3π.

Trigonometry Grid With Domain -4π to 4π And Range -8 to 8

Illustration of a trigonometric grid with a domain from -4π to 4π and a range from -8 to 8. The…

Illustration of a trigonometric grid with a domain from -4π to 4π and a range from -8 to 8. The increments on the x-axis are marked in intervals of ¼π.

Trigonometry Grid With Domain -4π to 4π And Range -8 to 8

Illustration of a trigonometric grid with a domain from -4π to 4π and a range from -8 to 8. The…

Illustration of a trigonometric grid with a domain from -4π to 4π and a range from -9 to 9. The increments on the x-axis are marked in intervals of ½π.

Trigonometry Grid With Domain -4π to 4π And Range -9 to 9

Illustration of a trigonometric grid with a domain from -4π to 4π and a range from -9 to 9. The…

Illustration of a trigonometric grid with a domain from -4π to 4π and a range from -9 to 9. The increments on the x-axis are marked in intervals of 1/3π.

Trigonometry Grid With Domain -4π to 4π And Range -9 to 9

Illustration of a trigonometric grid with a domain from -4π to 4π and a range from -9 to 9. The…

Illustration of a trigonometric grid with a domain from -4π to 4π and a range from -9 to 9. The increments on the x-axis are marked in intervals of ¼π.

Trigonometry Grid With Domain -4π to 4π And Range -9 to 9

Illustration of a trigonometric grid with a domain from -4π to 4π and a range from -9 to 9. The…

Roof with a slope of 30 degrees. Angle theta is the inclination to the horizontal of the line AB, drawn in the roof and making an angle of 35 degrees with the line of greatest slope.

Roof With 30 degree Inclination for Trigonometry Triangle Problems

Roof with a slope of 30 degrees. Angle theta is the inclination to the horizontal of the line AB, drawn…

Secant and Cosecant curves plotted from negative pi to 2 pi. Graph of y=sec x and y=csc x.

Secant and Cosecant Curves, y=sec x and y=csc x

Secant and Cosecant curves plotted from negative pi to 2 pi. Graph of y=sec x and y=csc x.

Sine curve plotted from 0 to 2 pi. Graph of y=sin x.

Sine Curve y=sin x

Sine curve plotted from 0 to 2 pi. Graph of y=sin x.

Sine curves of varying frequency and amplitude plotted from 0 to 2 pi. Graph of y= sin θ, y= 1/2 sin θ, y=2 sin θ, y= 2 sin 3θ

Sine Curves y= sin Ǝ, y= 1/2 sin Ǝ, y=2 sin Ǝ, y= 2 sin 3Ǝ

Sine curves of varying frequency and amplitude plotted from 0 to 2 pi. Graph of y= sin θ, y= 1/2…

Sine curves of varying frequency plotted from 0 to 2 pi. Graph of y= sin t, y= r sin1/2t, y=r sin 2t.

Sine Curves y= sin t, y= r sin1/2t, y= r sin 2t

Sine curves of varying frequency plotted from 0 to 2 pi. Graph of y= sin t, y= r sin1/2t, y=r sin 2t.

Two set squares, whose sides are 3,4, and 5 in., are placed so that their 4-in. sides and right angles coincide, and the angle between the 3-in. sides is 50 degrees. Theta, Ǝ is the angle between the longest sides.

Two Squares With Sides of Lengths 3,4,5 Placed at Right Angles to Each Other

Two set squares, whose sides are 3,4, and 5 in., are placed so that their 4-in. sides and right angles…

Tangent and Cotangent curves plotted from negative pi to 2 pi. Graph of y=tan x and y=cot x.

Tangent and Cotangent Curves, y=tan x and y=cot x

Tangent and Cotangent curves plotted from negative pi to 2 pi. Graph of y=tan x and y=cot x.

Triangle ABC with sides a,b,c labeled and angles A,B,C labeled and h labeled as height.

Triangle ABC With Height h

Triangle ABC with sides a,b,c labeled and angles A,B,C labeled and h labeled as height.

Illustration showing ambiguous case when the solution is not a triangle using law of sines.

Ambiguous Case of Law of Sines Triangle

Illustration showing ambiguous case when the solution is not a triangle using law of sines.

Illustration of oblique triangle used to find distance across a river.

Oblique Triangle for Distance Across a River

Illustration of oblique triangle used to find distance across a river.

Illustration of oblique triangle used to find distance across a river.

Oblique Triangle for Distance Across a River

Illustration of oblique triangle used to find distance across a river.

Illustration of oblique triangle used to find distance across a lake.

Oblique Triangle for Distance Across Lake

Illustration of oblique triangle used to find distance across a lake.

Obtuse triangle ABC with sides a,b,c labeled and angles A,B,C labeled.

Obtuse Triangle ABC

Obtuse triangle ABC with sides a,b,c labeled and angles A,B,C labeled.

Triangle ABC with sides a,b,c labeled and angles A,B,C labeled and h labeled as height.

Obtuse Triangle ABC With Height h

Triangle ABC with sides a,b,c labeled and angles A,B,C labeled and h labeled as height.

Right triangle ABC with angles A, B, C to be used for finding distance across a river. This is a trigonometry problem. Wishing to determine the width of the river, I observed a tree standing directly across on the bank. The angle of elevation of the top of the tree was 32 degrees. At 150 ft. back from this point and in the same direction from the tree the angle of elevation of the top of the tree was 21 degrees. Find the width of the river.

Right Triangle For Finding Distance Across a River

Right triangle ABC with angles A, B, C to be used for finding distance across a river. This is a trigonometry…

Right triangle OCB that can be used to show the relationships between x, y, r, and Θ.

Right Triangle OCB With, x, y, and r shown

Right triangle OCB that can be used to show the relationships between x, y, r, and Θ.

Right triangle OQP with angle of 35 degrees, height of .70 inches, and leg of 1 inch.

Right Triangle With Sides .7 and 1 and Angle of 35 degrees

Right triangle OQP with angle of 35 degrees, height of .70 inches, and leg of 1 inch.

Right triangle OQP with angle of 40 degrees, height of .64 inches, and hypotenuse of 1 inch.

Right Triangle With Sides .64 and 1 and Angle of 40 degrees

Right triangle OQP with angle of 40 degrees, height of .64 inches, and hypotenuse of 1 inch.

Triangle ABC and triangle ABC'. This illustration could be used to demonstrate the law of sines.

Triangles ABC and ABC'

Triangle ABC and triangle ABC'. This illustration could be used to demonstrate the law of sines.

Illustration of the resultant vector when two vectors are acting upon a body at point P at 90 degrees.

Resultant Vector With Vectors at 90 degrees

Illustration of the resultant vector when two vectors are acting upon a body at point P at 90 degrees.

Illustration of the resultant vector when two vectors are acting upon a body at point P.

Resultant Vectors

Illustration of the resultant vector when two vectors are acting upon a body at point P.

Illustration of the resultant vector when two vectors are acting upon a body at point P at Ǝ degrees.

Resultant Vector With Vectors at Angle Ǝ

Illustration of the resultant vector when two vectors are acting upon a body at point P at Ǝ degrees.

Illustration of the resultant vector when four vectors are acting upon a body at point P.

Resultant Vector From 4 Forces

Illustration of the resultant vector when four vectors are acting upon a body at point P.