Question:

IF 0 = arccos(-2/3), then (a)cosθ=-2/3 and -3π/2< θ < -π

Last updated: 8/4/2022

IF 0 = arccos(-2/3), then (a)cosθ=-2/3 and -3π/2< θ < -π

IF 0 = arccos(-2/3), then (a)cosθ=-2/3 and -3π/2< θ < -π