Question

1\1+cot²theta + cos ² theta​

Answer 1

Answer:

1

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Step-by-step explanation:

$1 \div ( \cot {}^{2} ( \alpha ) + 1) + \cos {}^{2} ( \alpha )$

$= 1 \div ( \csc {}^{2} ( \alpha ) ) + \cos {}^{2} ( \alpha )$

$= \sin {}^{2} ( \alpha ) + \cos {}^{2} ( \alpha )$

$= 1$