Math, asked by lukylily609, 5 months ago

cos 36 degrees cos 54 degrees minus sin 36 degrees sin 54 degrees is equal to zero

Answers

Answered by kashishsagar

9

Answer:

cos36°cos54°-sin36°sin54°=0

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

sin54° cos54° - cos54° sin54°

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