F x -cos-2- x - x 3- 1- x -2- and - x - the greatest integer - x- then f -3 -2 is equal toA- 0B- 3-22 - 3C- 1 D- -3-23 - 2

The correct option is A 0 f(x)=sin x^3⇒ f'(x)=3x^2.cos x^3 ...

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Properties Derived from Trigonometric Identities

f x =cosπ/2[ ...

Question

$f (x) = c o s {\frac{π}{2} [x] - x^{3}}, 1 < x < 2, a n d [x] = the greatest integer \leq x, t h e n f^{'} (3 \sqrt{\frac{π}{2}}) i s e q u a l t o :$

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f (x) = cos {\frac{π}{2} - [x]^{3}}, 1 < x < 2

\leq

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