Question 1025537
 if θ =(pi/6) and c=4,find the exact value of a and b

answer: a=2/sqrt3
b=2

how?
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If c is the hypotenuse, or the radius of a circle centered at the Origin:
a = x = c*cos(pi/6)
a = 4*(sqrt(3)/2) = 2*sqrt(3)  ---- not 2/sqrt(3)
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b = 4*sin(pi/6) = 2