Solve this following
Question:

Mark $(\sqrt{)}$ against the correct answer in the following:

If $y=\sqrt{\sin x+\sqrt{\sin x+\sqrt{\sin x+}}} \ldots \infty$ then $\frac{d y}{d x}=?$

A. $\frac{\sin x}{(2 y-1)}$

B. $\frac{\cos x}{(y-1)}$

C. $\frac{\cos x}{(2 y-1)}$

D. none of these

Solution:

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