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1 vote
Simplify Mathematical Expression Simplify (1/cot^2θ) + cos^2θ - sec^2θ.

User Benjimin
by
7.8k points

1 Answer

4 votes
1−cosθ)(1+cosθ)(1+cot
2
θ)
=[(1−cosθ)(1+cosθ)(1+cot
2
θ)]
=(1−cos
2
θ)(1+cot
2
θ)
=sin
2
θ.cosec
2
θ=sin
2
θ⋅
sin
2
θ
1

=
User Jamezor
by
8.7k points
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