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