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Mathematics
Mathematics
Problem
Prove that
1
−
cos
2
θ
sin
θ
=
sin
θ
\dfrac{1 - \cos^2 \theta}{\sin \theta} = \sin \theta
sin
θ
1
−
cos
2
θ
=
sin
θ
for any acute angle
θ
\theta
θ
.
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