Math, asked by kottalaradhikareddy, 9 months ago

cos5+cos24+cos175+cos204+cos300=​

Answers

Answered by HippySunshine
13

Answer:

cos 24+cos5+cos175+cos204+cos300=cos (90-66)+cos(180-175)+cos175+cos(270-66)+cos(360-66)=sin66-cos 175 +cos175-sin66+cos60=cos60=1/2.

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