Question: Find the point (x, y) on the unit circle that corresponds to the real number t. Use the result to evaluate sin t, cos t,

Find the point (x, y) on the unit circle that corresponds to the real number t. Use the result to evaluate sin t, cos t, and tan t.
1. t = 2π / 3
2. t = 7π / 4
3. t = 7π / 6

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