Find the Exact Value of the Expression Using the Provided $\tan ( s + t )$

question 375

Multiple Choice

Find the exact value of the expression using the provided information.
-Find $\tan ( s + t )$ given that $\cos s = - \frac { 5 } { 13 }$ , with $s$ in quadrant II, and $\sin t = \frac { 8 } { 17 }$ , with $t$ in quadrant II.

• A) \(- \frac { 220 } { 221 }\)
• B) \(\frac { 220 } { 21 }\)
• C) \(\frac { 20 } { 3 }\)
• D) \(- \frac { 220 } { 171 }\)

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