A) 1
B) 1/2
C) \[-1/2\]
D) \[-1\]
Correct Answer: C
Solution :
A functionis said to be continuous at if . Since, By L' Hospital rule, \[\underset{x\to \pi /4}{\mathop{\lim }}\,\,f(x)=-\frac{1}{2}\] Also,is continuous in \[[0,\,\pi /2]\]. So,will be continuous at. Value of function = Value of limitYou need to login to perform this action.
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