Math, asked by ambrevaishnavi1, 2 months ago

cos70+7cos50+21cos30+35cos/cos60+6cos40+15cos20+10

Answers

Answered by Ishwari0707

2

Step-by-step explanation:

The value of cos60+6cos40+15cos20+10cos50+5cos30+10cosθis

A sinθ

B 2sinθ

C cosθ

D 2cosθ

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