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Mathematics
Mathematics
Problem
Given that
sin
θ
=
3
4
\sin \theta = \frac{3}{4}
sin
θ
=
4
3
, where
π
2
<
θ
<
π
\frac{\pi}{2} < \theta < \pi
2
π
<
θ
<
π
, find the exact value of
cos
θ
\cos \theta
cos
θ
.
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