Thanks :)
Actually, this is something that you either will memorize, or have already memorized.
θ is in Q2 and is part of a 30 - 60 - 90 right triangle, namely 120°(ref angle 60°).
sinθ = (√3)/2
Also, on the unit circle, sinθ = y, cosθ = x.
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Actually, this is something that you either will memorize, or have already memorized.
θ is in Q2 and is part of a 30 - 60 - 90 right triangle, namely 120°(ref angle 60°).
sinθ = (√3)/2
Also, on the unit circle, sinθ = y, cosθ = x.