Math, asked by venkatakumar56, 1 month ago

Show that sin 80 = 8 sin o cos O cos 20 cos 40.

Answers

Answered by hemashreeshree765

0

Answer:

= (1/4) x cos 60° = 1/8 = RHSRead 911170/prove-that-cos-20-cos-40-cos-80-1-8?show=911174#a911174

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