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Question

Range of f(x)=tan(π[x2x])1+sin(cosx) is (where [x] denotes the greatest integer function

A
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B
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C
[tan 2, tan 1]
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D
{0}
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Solution

The correct option is D {0}
f(x)=tan(π[x2x])1+sinx(cosx)={0} because of [x2x] is integer

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