If x-a cos- and y-b sin- then b2 x2-a2 y2-a a2 b2b a bc a4 b4d a2-b2

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Value of Standard Angle(30,60,90)

If x=a cosθ a...

Question

If x = a cos θ and y = b sin θ, then b²x² + a²y² =

(a) a² b²
(b) ab
(c) a⁴ b⁴
(d) a² + b²

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If x = a cos θ and y = b sin θ then b²x² + a²y² is equal to

x = a cos θ

y = b sin θ

\frac{x^{2}}{a^{2}} + \frac{y^{2}}{b^{2}} =

x = a cos θ and y = b sin θ

b^{2} x^{2} + a^{2} y^{2}

x = a cos θ + b sin θ

y = a sin θ - b cos θ

a^{2} + b^{2} = x^{2} + y^{2}

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