defence exam Agniveer Vayu Group X & XY Mock Test 01/2026 Mathematics Differential Calculus Evaluation of derivatives

\(\rm \frac{d}{dx} \) {tan-1 (sec x + tan x)} = ?

1
\(-\frac{1}{2} \)
2
1
3
-1
4
\(\frac{1}{2} \)
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