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Eliminate θ from the following : x = 5 + 6cosecθ, y = 3 + 8cotθ

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Question

Eliminate θ from the following :

x = 5 + 6cosecθ, y = 3 + 8cotθ

Sum
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Solution

x = 5 + 6cosecθ, y = 3 + 8cotθ

∴ x – 5 = 6cosecθ, y – 3 = 8cotθ

∴ cosecθ = `(x - 5)/6, cot theta = (y - 3)/8`

We know that,

∴ cosec2θ – cot2θ = 1 

`((x - 5)/6)^2 - ((y - 3)/8)^2` = 1

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Chapter 2: Trigonometry - 1 - EXERCISE 2.2 [Page 31]

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