The value of x has a positive sign and the value of y has a negative sign. Option C
An angle in the unit circle of angle α with a radius of 1 with the set of points;
cos α and sin α
In the given problem, we have the angle as -60º, which is equal to an angle of 360 - 60 to give us 300º
Also, it is in the fourth quadrant, where the cosine is positive and the sine is negative.
Thus, the value of x has a positive sign and the value of y has a negative sign.
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