Question

NOWBURRRRRRRUPURSULUURAMMHURCHARU
PUMA
cos O
sin 0
Prove that
= sin 0 + cos 0.
1-tan o
1-cot 0
$prove \: that \: \cos( \div 1 - \tan( + \sin( \div 1 - \cot( = \sin( + \cos(?) ) ) ) ) )$
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Answer 1

Answer:

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