Consider a function f:(0,(pi)/(2))toR gi...

Consider a function `f:(0,(pi)/(2))toR` given by `f(x)sinx` and a function `g:(0,(pi)/(2))to R`
given by `g(x)=cosx`. Show that both f and g are one - one but `f+g` is not one one

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The correct Answer is:

`pi/4`

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