Math, asked by xettriharry244, 1 year ago

If tanA=3/4, find the value of sin3A

Answers

Answered by deepakbhai1814

2

Answer\\\tan theta=3/4 then by using the pythagorean theorem h^2=p^2+b^2:sin theta =3/5

sin 3a = 3 sin theta -4 sin ^3 theta

=9/5-108/125=225-108/125=117/125

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