rove the identity 1+ seç 20 csc 20 %3D sin 20 + tan 20

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.4: Values Of The Trigonometric Functions
Problem 12E
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Question
1+ sec 20
Prove the identity
csc 20
%|
sin 20 + tan 20
Transcribed Image Text:1+ sec 20 Prove the identity csc 20 %| sin 20 + tan 20
Expert Solution
Step 1

Prove the identity 

1+sec(2θ) /(sin2θ + tan2θ) = cosec(2θ

 

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