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Cos 2x + 2 sin^2 x = _______
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2 votes
Cos 2x + 2 sin^2 x = _______

User Malgca
by
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1 Answer

4 votes

1

Explanation:

cos 2x + 2 sin²x

= (1 - 2 sin²x) + 2 sin²x

= 1 - 2 sin²x + 2 sin²x

= 1

User Fdan
by
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