Do you know its property ? -6

Geometry Level 4

Which pair(s) of functions is/are not identical?

(a) \(\log_ex^3\) & \(3.\log_ex\)

(b) \(\log_ee^x\) & \(e^{\log_ex}\)

(c) \(\sin(\sin^{-1}x)\) & \(\sin^{-1}(\sin x)\)

(d) \(\sin^2x+\cos^2x\) & \(\sec^2x-\tan^2x\)

Note : Two functions are called identical if they have same domain and same range.

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