sec(-x)+ 2 sin(-x) = cos(x) z((x)-(x)) ('P e sin² (x) z(+(x)) = ((x)+(x) (
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°.
Related questions
Question
Verify the following identities. Show your work
Transcribed Image Text:c.) (csc(x) + cot(x))² = (cos(x)+1)²
sin² (x)
d.)
(sin(x)-cos(x))²
cos(x)
=
sec(-x) + 2 sin(-x)
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