Evaluate the integral I=∫0π/4sec4(θ)tan(θ)dθI = \int_{0}^{\pi/4} \frac{\sec^4(\theta)}{\sqrt{\tan(\theta)}} d\thetaI=∫0π/4tan(θ)sec4(θ)dθ.
2/52/52/5
10/310/310/3
4/34/34/3
8/58/58/5