Question

if sin theta = x and cos theta = y then eliminate theta ​

Answer 1

Answer:

Given x=asinθ⟹

a

x

=sinθ

y=acosθ⟹

a

y

=cosθ

As we know that

sin

2

θ+cos

2

θ=1

(

a

x

)

2

+(

a

y

)

2

=1

⟹x

2

+y

2

=a

2