3 years ago

Cos 2x + 2 sin^2 x = _______

Mathematics

1 answer:

Tems11 [23]3 years ago

3 0

Step-by-step explanation:

cos 2x + 2 sin²x

= (1 - 2 sin²x) + 2 sin²x

= 1 - 2 sin²x + 2 sin²x

= 1

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