Question

Cos°\1+tan°+ sin°\1-cot°=cos°+ sin°

Answer 1

Answer:

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Answer 2

$\frac{cos}{1 - tan} + \frac{sin}{1 - cot} \\ \\ = \frac{ {cos}^{2} }{cos - sin} + \frac{ {sin}^{2} }{sin - cos} \\ \\ = \frac{ {cos}^{2} }{cos - sin} - \frac{ {sin}^{2} }{cos - sin} \\ \\ = \frac{ {cos}^{2} - {sin}^{2} }{cos - sin} \\ \\ = \frac{(cos - sin)(cos + sin)}{cos - sin} \\ \\ = cos + sin$

Please use angle Theta.

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