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Home Q & A Board Science-Related Homework Help Mathematics Pre-calculus and Functions
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bio_man bio_man
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5 years ago
I know:

\(\sin ^2x+\cos ^2x=1\)

but what about:

\(\sin ^23x+\cos ^23x=1\)
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bio_man Author
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5 years ago Edited: 5 years ago, bio_man
Answer:

Any time you see: \(\sin ^2nx+\cos ^2nx=1\), where \(n\) represents any integer, the identity applies.

Therefore, only when the angles are the same, can the identity be applied.
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