1.) Sin A + tan A = 2.) Sin A tan A = cot A + CSC A cot A 1 cot A Sec A 3.) Sec² A - cot A = tan² A csc A - cos A Sin A

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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Assuming A + B =90° wherever B occurs, prove the following identities:
1.) Sin A + tan A =
2.) Sin A tan A =
cot A + CSC A
cot A
1
Cot² A Sec A
3.) Sec² A - cot A = tan² A csc A- cos A
Sin A
4.) Sin A + tan² A = Sin A Sec² A + 1
CSC A
Transcribed Image Text:Assuming A + B =90° wherever B occurs, prove the following identities: 1.) Sin A + tan A = 2.) Sin A tan A = cot A + CSC A cot A 1 Cot² A Sec A 3.) Sec² A - cot A = tan² A csc A- cos A Sin A 4.) Sin A + tan² A = Sin A Sec² A + 1 CSC A
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