SOLUTION: Find all values of &#952; in radians with -2&#960; < &#952; < 2&#960; such that cos(&#952;) = -1/2

Algebra.Com
Question 834386: Find all values of θ in radians with -2π < θ < 2π such that cos(θ) = -1/2
Answer by lwsshak3(11628)   (Show Source): You can put this solution on YOUR website!
Find all values of θ in radians with -2π < θ < 2π such that cos(θ) = -1/2

=-4π/3,-2π/3,2π/3,4π/3 (in quadrants II and III in which cos<0)

RELATED QUESTIONS

Find all values of θ in radians with -2π < θ < 2π such that... (answered by lwsshak3)
Find values for θ for 0 ≤θ ≤ 2π . (answers in radians):... (answered by lwsshak3)
If cosθ = 0.9848, find all values of θ in [0,... (answered by jim_thompson5910)
Find two solutions of each equation. Give your answers in degrees (0° ≤ θ <... (answered by stanbon,josmiceli)
Find all values of θ in radians with -2pi<θ<2pi such that tan(θ) = 0 (answered by stanbon)
Find all solutions in the interval [0, 2π). cosθcos2θ+sinθsin2θ= (answered by Cromlix,ikleyn)
Given that sin(3θ)= (1/5) and (π/2)<3θ<π: Find cos(3θ),... (answered by lwsshak3)
Determine the value of θ that satisfies cos cos 7 π 4 +θ2 +... (answered by ikleyn)
Find the values of the trigonometric functions of θ of cot θ = 1/2, sin θ... (answered by ewatrrr)