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Mathematics
Mathematics
Problem
Without using a calculator, choose the correct relation between
sin
48
∘
\sin 48^{\circ}
sin
4
8
∘
and
cos
48
∘
\cos 48^{\circ}
cos
4
8
∘
. a)
sin
48
∘
<
cos
48
∘
\sin 48^{\circ} < \cos 48^{\circ}
sin
4
8
∘
<
cos
4
8
∘
b)
sin
48
∘
\sin 48^{\circ}
sin
4
8
∘
and
cos
48
∘
\cos 48^{\circ}
cos
4
8
∘
are negative c)
sin
48
∘
>
cos
48
∘
\sin 48^{\circ} > \cos 48^{\circ}
sin
4
8
∘
>
cos
4
8
∘
d)
sin
48
∘
=
cos
48
∘
\sin 48^{\circ} = \cos 48^{\circ}
sin
4
8
∘
=
cos
4
8
∘
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