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JEE Advanced2014MathematicsInverse Trigonometric FunctionsActual

Let f : 0 , 4 π → 0 , π be defined by f x = cos - 1 ⁡ cos ⁡ x . The number of points x ∈ 0 , 4 π satisfying the equation f x = 10 - x 10 is_________

Correct answer

0

Step-by-step solution

f : 0 , 4 π → 0 , π , f x = cos - 1 ⁡ cos ⁡ x ⇒ Point A, B, C satisfy f x = 10 - x 10 Hence. 3 points

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