Question

if x is equal to a cos theta and Y is equal to b sin theta then show that x square by a square + Y square by b square is equal to 1

Answer 1

Answer:

Step-by-step explanation:

Please see the attachment below.

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Answer 2

$x = a \cos\theta \\ \frac{x}{a } = \cos \theta \\ \\ similarly \\ \frac{y}{b } = \sin\theta \\ \\ { (\frac{x}{a}) }^{2} + { (\frac{y}{b}) }^{2} = { \cos}^{2} theta + { \sin }^{2} theta \\ = 1$