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Mathematics
Mathematics
Problem
If
tan
x
=
−
4
3
\tan x = -\frac{4}{3}
tan
x
=
−
3
4
,
π
2
<
x
<
π
\frac{\pi}{2} < x < \pi
2
π
<
x
<
π
, then find the value of
sin
x
2
\sin \frac{x}{2}
sin
2
x
,
cos
x
2
\cos \frac{x}{2}
cos
2
x
and
tan
x
2
\tan \frac{x}{2}
tan
2
x
.
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