Question

Question No. 34
plz solve this problem

Answer 1

x=asin(theta)

or, x²= a²sin²(theta)

y=bcos(theta)

or, y²=b²cos²(theta)

(b²x²+a²y²)

=(b²a²sin²(theta) +a²b²cos²(theta))

=(a²+b²)(sin²(theta)+cos²(theta))

=(a²+b²). [because sin²x+cos²x=1]

If it helps you make my answer as brainliest