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Mathematics
Mathematics
Problem
If
cot
θ
=
2
\cot\theta=2
cot
θ
=
2
for an acute angle
θ
\theta
θ
, evaluate
csc
θ
−
cot
θ
\csc\theta-\cot\theta
csc
θ
−
cot
θ
. a)
5
−
4
2
\dfrac{\sqrt{5}-4}{2}
2
5
−
4
b)
2
−
5
2-\sqrt{5}
2
−
5
c)
5
−
2
\sqrt{5}-2
5
−
2
d)
2
5
−
1
2
\dfrac{2\sqrt{5}-1}{2}
2
2
5
−
1
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