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Mathematics
Mathematics
Problem
Find the simplified form of
1
−
cos
2
x
sin
x
cos
x
\dfrac{1-\cos^{2}x}{\sin x\,\cos x}
sin
x
cos
x
1
−
cos
2
x
for
x
≠
n
π
,
n
∈
Z
x\neq n\pi,\,n\in\mathbb Z
x
=
nπ
,
n
∈
Z
. a)
sin
x
\sin x
sin
x
b)
cot
x
\cot x
cot
x
c)
tan
x
\tan x
tan
x
d)
sec
x
\sec x
sec
x
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