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Questions  

 If f(x) is a real-valued function defined as f(x)=ln(1sinx), then the graph of f(x) is 

a
symmetric about the line x=π
b
symmetric about the y-axis
c
symmetric about the line x=π2
d
symmetric about the origin

detailed solution

Correct option is C

fπ2−x=ln⁡(1−cos⁡x) and fπ2+x=ln⁡(1−cos⁡x) Thus, fπ2+x=fπ2−x Thus, f(x) is symmetrical about line x=π2.

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