Math, asked by anandvijaygupta741, 1 year ago

if 3cos x + 2cos3x=cos y,3sinx+2sin3x=sin y,then the value of 2x is

Answers

Answered by umang2299

0

doing the square of the both equation and adding them after applying 2CC AND 2SS rule and the ans. is 0.999847°

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