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Mathematics, 25.06.2019 16:40 minideeri

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


Sinx= -1/2, and cosy= sqrt 3/2. if angle x is the fourth quadrant and angle y is in the first quadra

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