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Eliminate theta from the equation P=a "c...

Eliminate `theta` from the equation `P=a "cosec" theta nd Q=a cot theta`.

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Given , `P= a " cosec" theta and Q=a cot theta `
`(P)/(a)="cosec" theta and (Q)/(a)= cot theta `.
We know that , `"cosec"^(2)theta- cot^(2)theta=1`
`((P)/(a))^(2)-((Q)/(a))^(2)=1`
Hene, the required relation is `P^(2)-Q^(2)=a^(2)`.
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