# Lect4B - 92.131 Lecture 4B 1 of 12 Ronald Brent © 2009 All...

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Unformatted text preview: 92.131 Lecture 4B 1 of 12 Ronald Brent © 2009 All rights reserved. Other Trigonometry Functions Tangent: tan sin cos x x x = Undefined if cos = x , or π ⎟ ⎠ ⎞ ⎜ ⎝ ⎛ + = 2 1 2 n x Cotangent: cot cos sin x x x = Undefined if sin = x , or π n x = Secant: sec cos x x = 1 Like Tangent, undefined for π ⎟ ⎠ ⎞ ⎜ ⎝ ⎛ + = 2 1 2 n x Cosecant: csc sin x x = 1 Like Cotangent, undefined for π n x = In all the above expressions, L , 2 , 1 , ± ± = n In terms of the sides of a right triangle, ADJ OPP tan = x OPP ADJ cot = x ADJ HYP sec = x OPP HYP csc = x 92.131 Lecture 4B 2 of 12 Ronald Brent © 2009 All rights reserved. x y-5-4-3-2-1 1 2 3 4 5 Graphs of Other Trigonometry Functions y = tan x 2 5 π − 2 3 π − 2 π − 2 π 2 3 π 2 5 π 92.131 Lecture 4B 3 of 12 Ronald Brent © 2009 All rights reserved. x y-5-4-3-2-1 1 2 3 4 5 y = sec x 2 5 π − 2 3 π − 2 π − 2 π 2 3 π 2 5 π 92.131 Lecture 4B 4 of 12 Ronald Brent © 2009 All rights reserved....
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## This note was uploaded on 02/13/2012 for the course MATH 92.131 taught by Professor Staff during the Fall '09 term at UMass Lowell.

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Lect4B - 92.131 Lecture 4B 1 of 12 Ronald Brent © 2009 All...

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