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Mathematics
Mathematics
Problem
Find the value of
θ
\theta
θ
(
0
∘
<
θ
<
90
∘
0^\circ<\theta<90^\circ
0
∘
<
θ
<
9
0
∘
) for which
sin
θ
=
cos
θ
\sin\theta = \cos\theta
sin
θ
=
cos
θ
. a)
60
∘
60^\circ
6
0
∘
b)
45
∘
45^\circ
4
5
∘
c)
30
∘
30^\circ
3
0
∘
d)
57.3
∘
57.3^\circ
57.
3
∘
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