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Question #78b7c

1 Answer

Nov 21, 2016

see below

Explanation:

$cot theta/csc theta - sin theta =( cos theta /sin theta)/(1/sin theta) - sin theta$

$=cos theta / sin theta * sin theta - sin theta$

$=cos theta / cancel sin theta * cancel sin theta - sin theta$

$= cos theta-sin theta$

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