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Simplify (1 − cos x)(1 + cos x)
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3 votes
Simplify (1 − cos x)(1 + cos x)

User Karakays
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1 Answer

6 votes

Explanation:

(1 − cos x)(1 + cos x)

1 − cos²x

sin²x

User Harish Gokavarapu
by
5.6k points
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