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Inverse Trigonometric Functions question

2014 · Shift 1 · Q38

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JEE Advanced
Mathematics
Inverse Trigonometric Functions
2014 · Shift 1 · Q38

Inverse Trigonometric Functions question

2014 · Shift 1 · Q38

JEE AdvancedMathematicsInverse Trigonometric FunctionsNumerical+3 / −1

Let f : [0, 4

\pi

]

\to

[0,

\pi

] be defined by f(x) = cos

-

1 (cos x). The number of points x

\in

[0, 4

\pi

] satisfying the equation

f(x) = {{10 - x} \over {10}}

is

Numerical answer

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