Math, asked by dhanusri76, 10 months ago

Cos 36 cos 54-sin 36 sin 54 =0

Answers

Answered by An2528

4

Step-by-step explanation:

Cos36 cos54-sin36 sin 54

=cos(90-54) cos54- sin(90-54)sin54

=sin54 cos54- cos54 sin54

=0

Hope it will help..

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Answered by jk088212

0

Answer:

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