if 2sin2theta=root3 find the value of cos theta
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Answered by
2
2sin2 theta =2.2sintheta cos theta
=4sin theta cos theta
therefore,2sin2theta=root 3
16sin^2thetacos^2theta=3
simply korlo
=4sin theta cos theta
therefore,2sin2theta=root 3
16sin^2thetacos^2theta=3
simply korlo
Answered by
5
2sin2theta = root3
Sin2theta = root3/2
Sin60 = root3/2
Sin60 = sin2theta
2theta = 60
Theta = 30
Sin2theta = root3/2
Sin60 = root3/2
Sin60 = sin2theta
2theta = 60
Theta = 30
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