Question

find dy/dx if y= a sin θ and x= b cosθ

Answer 1

Answer:

y = a sinθ

dy/dθ = a cosθ

x = b cosθ

dx/dθ = - b sinθ

so dy/dx = dy/dθ ÷ dx/dθ

= a cosθ / (- b sinθ)

= - b/a cotθ

Answer 2

Answer:

this answer is correct......