. If x= cot^theta and y= cosec^2theta + 1 then find the value of x- y.
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Answered by
7
Answer:
xy=(cosecθ+cotθ)(cosecθ−cotθ)=cosec
2
θ−cot
2
θ
⇒xy=1 (From trignometric laws, cosec
2
θ=1+cot
2
θ)
Answered by
3
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