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Mathematics
Mathematics
Problem
(i) Write
sin
2
θ
\sin^2\theta
sin
2
θ
in terms of
cos
2
θ
\cos 2\theta
cos
2
θ
. (ii) Write
cos
2
θ
\cos^2\theta
cos
2
θ
in terms of
cos
2
θ
\cos 2\theta
cos
2
θ
.
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