MAT 112 Quiz #4 Name:________________________

Section 6.1 1-14

(4pts)

Use the given values to evaluate the other four trigonometric functions.

tan(p /2 - x) = 5/12, tan x = 12/5.

tan(p /2 - x) = cot x = 5/12; opp = 12; adj = 5; hyp = 13;

sin x = 12/13; csc x 13/12

cos x = 5/13; sec x = 13/5

Section 6.1 15-18

(2pts)

As x ® p ^- / 2,  tan x ® ¥;   cot x ® 0

Section 6.1 71-76

(4pts)

Use the trigonometric substitution to write the algebraic expression as a trigonometric function of q , where 0 < q < p /2.

Essential Trigonometry, Math Links

by Jack Tompkins