Math, asked by mehak52775, 9 months ago

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Prove that :-
$sin(90° - a) = cos \: a$
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Answers

Answered by dhananjaykate2004

0

Answer:

it's a identity in trigonometry it cannot be proved

Answered by chaudhary4044

0

Answer:

sin 90 -a or cos 90 -A is equal to 1

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