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Mathematics
Mathematics
Problem
If
sin
θ
+
cos
θ
=
2
sin
θ
\sin\theta + \cos\theta = \sqrt{2}\,\sin\theta
sin
θ
+
cos
θ
=
2
sin
θ
for an acute angle
θ
\theta
θ
, what is
θ
\theta
θ
? a)
60
∘
60^{\circ}
6
0
∘
b)
67.5
∘
67.5^{\circ}
67.
5
∘
c)
22.5
∘
22.5^{\circ}
22.
5
∘
d)
45
∘
45^{\circ}
4
5
∘
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