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Mathematics
Problem
Which of the following is equal to
sin
38
∘
\sin 38^{\circ}
sin
3
8
∘
? a)
tan
38
∘
\tan 38^{\circ}
tan
3
8
∘
b)
cos
52
∘
\cos 52^{\circ}
cos
5
2
∘
c)
cos
38
∘
\cos 38^{\circ}
cos
3
8
∘
d)
sin
52
∘
\sin 52^{\circ}
sin
5
2
∘
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