Csc theta * cos^2 theta +sin theta= csc theta

asked Nov 27, 2022 135k views

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Explanation:

$\csc \theta \cos^(2)\theta + \sin \theta = \csc \theta(1 - \sin^(2)\theta) + \sin \theta$

$= (\csc \theta - \sin \theta) + \sin \theta$

$= \csc \theta$

Gautsch answered Dec 1, 2022

4.3k points

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