If tan = -2 and 3/2 < < 2, find the exact value (a) sin (b)
Question:
If tanθ = -2 and 3π/2 < θ < 2π, find the exact value
(a) sinθ
(b) cosθ
(c) sin(2θ)
(d) cos(2θ)
(e) sin(1/2 θ)
(f) cos(1/2 θ)
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