Find the Point $( x , y )$ On the Unit Circle That Corresponds to the Real Number

question 123

Multiple Choice

Find the point $( x , y )$ on the unit circle that corresponds to the real number $t = \frac { 5 \pi } { 4 }$ .Use your results to evaluate $\tan$ .

• A) \(\tan t = \frac { \sqrt { 2 } } { 2 }\)
• B) \(\tan t = 0\)
• C) \(\tan t = - \frac { \sqrt { 2 } } { 2 }\)
• D) \(\tan t = 1\)
• E) \(\tan t = \text { undefined }\)

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