Evaluate \(\int^{\frac{\pi}{4}}_0sec^2 \theta d \theta\)
-
1
- 2
- 3
- 4
The correct answer is: A
Explanation
\(\int^{\frac{\pi}{4}}_0sec^2 \theta d \theta\)
= \([\tan \theta]_{0} ^{\frac{\pi}{4}}\)
= \(\tan \frac{\pi}{4} - \tan 0\)
= \(1 - 0\)
= 1.
There is an explanation video available .