Find the Exact Values of the Indicated Trigonometric Functions $\sec \mathrm { A }$

Multiple Choice

Find the exact values of the indicated trigonometric functions. Write fractions in lowest terms.
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Find $\sec \mathrm { A }$ and $\csc \mathrm { A }$ .

A) $\sec \mathrm { A } = \frac { 8 } { 17 } ; \csc \mathrm { A } = \frac { 15 } { 17 }$
B) $\sec A = \frac { 15 } { 8 } ; \csc A = \frac { 8 } { 15 }$
C) $\sec \mathrm { A } = \frac { 17 } { 15 } ; \csc \mathrm { A } = \frac { 17 } { 8 }$
D) $\sec \mathrm { A } = \frac { 17 } { 8 } ; \csc \mathrm { A } = \frac { 17 } { 15 }$