s 1 05 1 -1.5 -05 0.5 1 -0.5 -1.5 If the cosine of in this unit circle is a, what would be true of the cosine of in a circle wit
h a radius of 2?
1 answer:
In the unit circle


Where r is the radius of the circle
x- coordinate represents cos angle
cos angle = x/r
Since r = 2
cos angle = x/2
y-coordinate represents sin angle
sin angle = y/r
sin angle = y/2
Because the question is incomplete
we can not find which is true
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