1.

Let f'(sinx)lt0andf''(sinx)gt0AAx in(0,(pi)/(2))andg(x)=f(sinx)+f(cosx).Which of the following is true ?

Answer»

g(X) is decreasing in `((PI)/(4),(pi)/(2))`
g(x) INCREASING in `(0,(pi)/(4))`
g(x)is monotonically increasing
None of these

Answer :D


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