Mathematics, 15.07.2019 01:00, prettygirllniyiaa

Q#1. if cos = -1/2 and 90 < x < 180, what is sin(x - 30) q#2. if tan x = -sqrt(3)/3, and (3pi)/2 < x < 2pi, find sin(x + pi/6) and

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Q#1. if cos = -1/2 and 90 < x < 180, what is sin(x - 30) q#2. if tan x = -sqrt(3)/3, and (3p...