Math, asked by dreamyy, 1 year ago

Prove that:
cos π/5 cos 2π/5 cos4π/5 cos8π/5 = -1/16

Answers

Answered by heisenberg148369

0

just convert radians into degrees.. then put the values..

Answered by sarkar9038270662

4

Answer:

Your answer is given above. Thnq study hard

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