Tangent and Cotangent Curves, y=tan x and y=cot x Small 320×231 Medium 640×463 Large 1024×740 Download Tiff Original 2400×1735 | (262.9 KB) Description Tangent and Cotangent curves plotted from negative pi to 2 pi. Graph of y=tan x and y=cot x. Keywords coordinate axis, cot, cotangent curve, curves, pi, Tan, tangent curve, trig, trigonometry, x-axis, y-axis, y=cot x, y=tan x Galleries Trigonometry: Functions Source: Claude Irwin Palmer Library of Practical Electricity: Practical Mathematics For Home Study (New York: McGraw-Hill Book Company, Inc., 1919) 448 Courtesy the private collection of Roy Winkelman