Find dy/dx in the following:sin2 x + cos2 y = 1

It is given that sin2 x + cos2 y = 1Differentiating both sides w.r.t. x, we get,

Q8 of 147 Page 169

Find dy/dx in the following:
sin² x + cos² y = 1

It is given that sin² x + cos² y = 1

Differentiating both sides w.r.t. x, we get,

Find dy/dx in the following:

x³ + x²y + xy² + y³ = 81

Find dy/dx in the following:

sin² y + cos xy = π

Find dy/dx in the following: