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Mathematics
Mathematics
Problem
Prove that
(
sec
θ
−
cos
θ
)
(
csc
θ
−
sin
θ
)
(
tan
θ
+
cot
θ
)
=
1
(\sec\theta-\cos\theta)(\csc\theta-\sin\theta)(\tan\theta+\cot\theta)=1
(
sec
θ
−
cos
θ
)
(
csc
θ
−
sin
θ
)
(
tan
θ
+
cot
θ
)
=
1
for every acute angle
θ
\theta
θ
.
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