Question

साइन स्क्वायर एक्स प्लस 4 स्क्वायर एक्सप्रेस
$\sin( {?}^{2} ) ) x + \cos( {?}^{2} ) x =$
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Answer 1

Answer:

1

Explanation:

$\because \: {sin}^{2} \theta + {cos}^{2} \theta = 1$

this is a lemma.

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