1
MHT CET 2020 16th October Morning Shift
MCQ (Single Correct Answer)
+2
-0

If $$f(x)=\log (\sec x+\tan x)$$, then $$f^{\prime}\left(\frac{\pi}{4}\right)=$$

A
$$\frac{1}{\sqrt{2}}$$
B
$$\sqrt{2}$$
C
1
D
$$\frac{2}{\sqrt{3}}$$
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