A Level

MATHEMATICS · Single correct · A Level · Mathematics · Differentiation · Differentiation

Problem

\sin y = x \sin(a + y)

, then

\frac{dy}{dx} =

(a)

\frac{\sin^2(a + y)}{\sin(a + 2y)}

(b)

\frac{\sin^2(a + y)}{\cos(a + 2y)}

(c)

\frac{\sin^2(a + y)}{\sin a}

(d)

\frac{\sin^2(a + y)}{\cos a}