Math, asked by Mihir68661, 10 months ago

Prove cos 54 cos36 - sin 54sin 36

Answers

Answered by rukumanikumaran

6

Hey!!!

__________

Here is your answer!!!

________________

cos36 cos 54-sin(90-54) sin(90-36)

cos 36 cos 54-cos54 cos 36

=0

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