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Eliminate θ from the following: 2x = 3 − 4 tan θ, 3y = 5 + 3 sec θ

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प्रश्न

Eliminate θ from the following:

2x = 3 − 4 tan θ, 3y = 5 + 3 sec θ

योग
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उत्तर

2x = 3 − 4 tan θ, 3y = 5 + 3 sec θ

∴ 2x − 3 = − 4 tan θ,  3y − 5 = 3 sec θ

∴ tanθ = `(2x - 3)/(− 4) and secθ = (3y - 5)/3`

We know that,

sec2θ = 1 +  tan2θ

∴ sec2θ – tan2θ = 1

Therefore,

∴ `((3y - 5)/3)^2 - ((2x - 3)/(− 4))^2` = 1

∴ `(3y - 5)^2/9 - (2x - 3)^2/16` = 1

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अध्याय 2: Trigonometry - 1 - EXERCISE 2.2 [पृष्ठ ३१]

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बालभारती Mathematics and Statistics (Arts and Science) Part 1 [English] Standard 11 Maharashtra State Board
अध्याय 2 Trigonometry - 1
EXERCISE 2.2 | Q 4) v) | पृष्ठ ३१

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