Calculate $\int \sec ^{2} \theta d \theta$ A) $\frac{3 \sin \theta}{\cos ^{3} \theta}+C$

Multiple Choice

Calculate $\int \sec ^{2} \theta d \theta$

A) $\frac{3 \sin \theta}{\cos ^{3} \theta}+C$
B) $-\frac{1}{\cos \theta}+C$
C) $\tan \theta+C$
D) $\tan ^{2} \theta+C$