A) 0
B) \[-1/2\]
C) 1/2
D) \[-1\]
Correct Answer: C
Solution :
Put \[x=cos\theta \Rightarrow \theta =co{{s}^{-1}}x\] \[\Rightarrow \] \[y=co{{s}^{2}}\theta /2\] \[=\frac{1+\cos \theta }{2}=\frac{1+x}{2}\Rightarrow \frac{dy}{dx}=1/2\]You need to login to perform this action.
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