Choose the One Alternative That Best Completes the Statement or Answers

Multiple Choice

Choose the one alternative that best completes the statement or answers the question.
In the problem, sin θ and cos θ are given. Find the exact value of the indicated trigonometric function.
- $\sin \theta = \frac { 1 } { 4 } , \cos \theta = \frac { \sqrt { 15 } } { 4 } \quad$ Find $\sec \theta$

A) $\sqrt { 15 }$
B) 4
C) $\frac { \sqrt { 15 } } { 15 }$
D) $\frac { 4 \sqrt { 15 } } { 15 }$