How do you solve #Cos^2 theta =3/4 sin 2 theta#?

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Answer 1 · 2016-05-21T20:24:35

# theta=33.69 ^o#

#cos^2 theta=3/4 sin2 theta#

#sin 2 theta=2 sin theta cos theta#

#cancel(cos^2 theta)=3/4 *2 sin theta cancel( cos theta)#

#cos theta=3/2 sin theta#

#sin theta/cos theta=2/3#

#tan theta=2/3#

# theta=33.69 ^o#