3x Let 0 be the measure of an angle, in radians, in standard position with a<0<. Find the exact y-coordinate of the intersection of the terminal side of 0 with the unit circle, given cos 0+ sin 20= - 31 State the answer as a single fraction. 81

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Q: DETAILS Use an Addition or Subtraction Formula to find the exact value of the expressior cos(165°)

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