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Mathematics
Mathematics
Problem
Find
sin
x
2
,
cos
x
2
\sin \frac{x}{2}, \cos \frac{x}{2}
sin
2
x
,
cos
2
x
and
tan
x
2
\tan \frac{x}{2}
tan
2
x
in each of the following: 8.
tan
x
=
−
4
3
,
x
\tan x=-\frac{4}{3}, x
tan
x
=
−
3
4
,
x
in quadrant II
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