Math, asked by amirtha12, 1 year ago

$sin2a + sin2b + sin2c = 4 cosacosbcosc$

Answers

Answered by salilsengar

1

$\sin(2a ) + \sin(2b) = 2 \sin(2a + 2b \div 2. \cos(2a - 2b \div 2) )$

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