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Mathematics
Mathematics
Problem
If
θ
\theta
θ
is an acute angle and
7
+
4
sin
θ
=
9
7 + 4 \sin \theta = 9
7
+
4
sin
θ
=
9
, then the value of
θ
\theta
θ
is : (A)
90
∘
90^\circ
9
0
∘
(B)
30
∘
30^\circ
3
0
∘
(C)
45
∘
45^\circ
4
5
∘
(D)
60
∘
60^\circ
6
0
∘
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