Math, asked by koushiksharma4358, 1 year ago

If cos ( 40° 2x)=sin 30 ° find x

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Answered by Joshika17

0

cos(40°2x)=sin30°
cos(40°2x)=cos(90-30)
40°2x=60
2x=3/2
x=3/4
The value of x is 3/4

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