cos²x 6. 1+ sin x = 1- sinx tanx - сotx 7. sec'x - csc?x = sin xcosx 8.1 tin cos2x = cscx - secx tan0 + cot0 9. = cot0 sec20 1 = 1+ 1 10. cos-0 cor-e

Trigonometry (11th Edition)
11th Edition
ISBN:9780134217437
Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Chapter1: Trigonometric Functions
Section: Chapter Questions
Problem 1RE: 1. Give the measures of the complement and the supplement of an angle measuring 35°.
Question

Verify each trigonometric identity.

cos?x
6. 1+ sin x =
1- sinx
tanx - сotx
7. sec?x - csc?x =
sin xcosx
8.1
tin cos2x
= csc?x - secx
tano + coto
9.
= cot0
sec20
1
= 1+
1
10.
cos-0
core
Transcribed Image Text:cos?x 6. 1+ sin x = 1- sinx tanx - сotx 7. sec?x - csc?x = sin xcosx 8.1 tin cos2x = csc?x - secx tano + coto 9. = cot0 sec20 1 = 1+ 1 10. cos-0 core
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