If x = a cos 0, y = b sin 0, then find the value of b²x²+ a²y²- a²b²
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1
Answer:
x=acosθ;y=bsinθ
cosθ=
a
x
;sinθ=
b
y
cos
2
θ+sin
2
θ=1=
a
2
x
2
+
b
2
y
2
x
2
b
2
+a
2
y
2
=a
2
b
2
.
Hope it helps!!
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