cot(5-0)+tan(0–) = 1– 2sin2 (0) 2 2) tan(-0)+cot(-0)
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°.
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Verify the identities and justify your steps.
1) (csc(a) + cot(æ))(sec(a) – 1) = tan(a)
-
cot(-0)+tan(0-)
= 1 – 2sin? (0)
.2
2.
2) –
tan(-0)+cot(-0)
cos(x)
3) 1-sin(x)
sec(x) + tan(x)
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