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25. Point P lies on the unit circle in the first quadrant at angle 0 shown below, and has coordinates (a,b). (6 points) a.

25. Point P lies on the unit circle in the first quadrant at angle 0 shown below, and has coordinates (a,b). (6 points) a. Kiara says that b = 1-a. Do you agree or disagree with Kiara? Explain your reasoning. (1 point) b. Assume a and b = = i. Find sin(-0) (2 points) ii. Find sin(20) (2 points) iii. Find 8, rounding your answer to the nearest tenth of a degree. (1 point) P(a,b) 11

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