Questions

$\sin 10 ° + \sin 20 ° + s i n 30 ° + ..... + s i n 360 ° =$

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detailed solution

Correct option is A

A+B=360°⇒sinA+sinB=0∴sin10°+sin20°+sin30°+.....+sin360°=sin10°+sin350°+sin20°+sin340°+... =0

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