The expression E=1cosecθ−cotθ−1sinθ is equal to which of the following expression?
sinθ
cotθ
- cot θ
sec θ
We have,
E=11sinθ−cosθsinθ−1sinθ=sinθ1−cosθ−1sinθ=1+cosθsinθ−1sinθ=cosθsinθ=cotθ
Which of the following options is equal to cot θ+cosec θ−1cot θ−cosec θ+1