Using the unit circle, what are the exact values of (cos(3π/2), sin(3π/2))?

cos(3π/2) = 0 and sin(3π/2) = 1

cos(3π/2) = 0, sin(3π/2) = −1

cos(3π/2) = −1, sin(3π/2) = 0

cos(3π/2) = 1, sin(3π/2) = 0