Math, asked by kunjsoni, 1 year ago

find the value of cos 2 theta if 2 sin 3 theta = root 3

Answers

Answered by Sahil242003

1

sin^3=√3/2
squaring both side,
sin^6=3/4
(sin^2)^3=3/4
(1-cos^2)^3=3/4
1-cos^2=(3/4)cube root

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