Mathematics, 15.01.2020 05:31 cobalt3931

Sin x = -1/2, and the cos y = √3/2. if angle x is in the fourth quadrant and angle y is in the first quadrant, the value of cos(x-y) is

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Sin x = -1/2, and the cos y = √3/2. if angle x is in the fourth quadrant and angle y is in the first...

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