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Given A = {x : (pi)/(6) le x le (pi)/( 3...

Given `A = {x : (pi)/(6) le x le (pi)/( 3)} and f(x) = cos x - x ( 1+ x )`. Find ` f (A)`.

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The correct Answer is:
`[1/2 - (pi)/(3) (1+ (pi)/(3)) , (sqrt""3)/(2) - (pi)/(6) (1 +(pi)/(6))]`
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ML KHANNA-FUNCTIONS-PROBLEM SET (3)
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  3. The range of the function f (x) = ""^(7-x)P(x-3)are .......

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  20. If the function f and g are defined from the set of real numbers R to ...

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