Math, asked by Raunakask, 11 months ago

please answer this question ​

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Answers

Answered by ashutosharyan874
1

Here's your solution buddy

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Answered by sivaprasath
1

(Instead of θ, I use A)

Answer :

Step-by-step explanation:

Given :

x = h + a cos A

y = k + b sin A

To Prove :

(\frac{x - h}{a} )^2 + (\frac{y - k}{b} )^2 = 1

Proof :

We know that,

 cos^2A+sin^2A =1

Hence,

x = h + a cos A

x - h = a cos A

\frac{x - h}{a} = cosA

(\frac{x - h}{a})^2 = cos^2A ...(i)

y = k + b sin A

y - k= b sin A

\frac{y - k}{b} = sinA

(\frac{y - k}{b})^2 = sin^2A ..(ii)

By adding (i) & (ii),

We get,

(\frac{x - h}{a})^2 + (\frac{y - k}{b})^2 = cos^2A + sin^2A = 1

(\frac{x - h}{a})^2 + (\frac{y - k}{b})^2 = 1

Hence proved,.

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