Simplify each trigonometric expression. 1-cos² θ

Idhem asked Apr 12, 2023

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Idhem asked Apr 12, 2023

by Idhem

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26 votes

Answer:

$\sin ^2\left(\theta\right)$

Explanation:

Pythagorean identity

$1=\cos ^2\left(x\right)+\sin ^2\left(x\right)\\1-\cos ^2\left(x\right)=\sin ^2\left(x\right)\\=\sin ^2\left(\theta\right)$

Limin answered Apr 19, 2023

by Limin

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