Find the value of 'a' so that If f(...

Find the value of 'a' so that
If ` f(x) = (1 - tanx)/(4x -pi) , x ne (pi)/(4) ` , is continuous on
` (0, (pi)/(2)), " find f " ((pi)/(4))` .

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The correct Answer is:

`a=(1)/(2),b=4`

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