22. Prove the following identities. Use proper form and show one step per line. 1-cos 2x a) +2cos³x = 2 cotx sin x secx b) sec 2x = CSCX cscx 2 sin x

Algebra & Trigonometry with Analytic Geometry
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ISBN:9781133382119
Author:Swokowski
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Chapter6: The Trigonometric Functions
Section6.2: Trigonometric Functions Of Angles
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Can you please answer the attached grade 12 advance functions math equation on paper and please make sure it's correct. I'll make sure to thumbs up if it's on paper.

22. Prove the following identities. Use proper form and show one step per line.
1-cos 2x
a)
+2cos³x = 2 cotx sin x
secx
b) sec 2x =
CSCX
cscx 2 sin x
Transcribed Image Text:22. Prove the following identities. Use proper form and show one step per line. 1-cos 2x a) +2cos³x = 2 cotx sin x secx b) sec 2x = CSCX cscx 2 sin x
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