Math, asked by siddharth12429, 9 months ago

cos50+cos70+cos170+cos130+cos110+cos10

Answers

Answered by sprao53413

1

Answer:

Cos 50+cos70+cos(180-10)+cos(180-50)+cos(180-70)+cos10

Cos50+cos70-cos10-cos50-cos70

+cos10=0

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