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Mathematics
Mathematics
Problem
Find the value of
sin
2
θ
+
cos
2
θ
\sin^{2}\theta+\cos^{2}\theta
sin
2
θ
+
cos
2
θ
. a)
cos
2
θ
\cos 2\theta
cos
2
θ
b) 1 c)
sin
2
θ
\sin 2\theta
sin
2
θ
d)
sec
2
θ
\sec^{2}\theta
sec
2
θ
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