Question

if x is equal to a sin theta Y is equal to a cos theta then X square + Y square by a square​

Answer 1

Answer:

1 by a square

Step-by-step explanation:

we know sin square theta plus cos square theta is 1 so x square plus y square by a square will be 1 by a square.

sinθ = $x$ and cosθ = $y$

∴ $\frac{x^{2} + y^{2}}{a^{2}}$ = $\frac{1}{a^{2}}$    

∵ $x^{2} + y^{2} = sin^{2}$θ$+ cos^{2}$θ = 1

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