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Letf:[0,4pi]to[0,pi] be defined by f(x)=...

Let`f:[0,4pi]to[0,pi]` be defined by `f(x)=cos^(-1)(cosx)`. The number of points `x in [0,4pi]` satisfying the equation `f(x)=(10-x)/10` is

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AAKASH SERIES-INVERSET TRIGONOMETRIC FUNCTIONS-LECTURE SHEET (EXERCISE -III LEVEL -II (ADVANCED) INTEGER ANSWER TYPE QUESTIONS)18
  1. Letf:[0,4pi]to[0,pi] be defined by f(x)=cos^(-1)(cosx). The number of ...

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