What is the general solution for cos(θ)=(-0.68159) ?

The general solution for cos(θ)=(-0.68159) is θ=2.32072…+2pin,θ=-2.32072…+2pin

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cos(θ)=(-0.68159)

cos (θ) = (- 0.68159)

θ = 2.32072 \dots + 2 πn, θ = - 2.32072 \dots + 2 πn

Degrees

θ = 132.96801 \dots^{\circ} + 36 0^{\circ} n, θ = - 132.96801 \dots^{\circ} + 36 0^{\circ} n

Solution steps

cos (θ) = (- 0.68159)

Apply trig inverse properties

cos (θ) = - 0.68159

General solutions for

cos (θ) = - 0.68159

cos (x) = - a \Rightarrow x = arccos (- a) + 2 πn, x = - arccos (- a) + 2 πn

θ = arccos (- 0.68159) + 2 πn, θ = - arccos (- 0.68159) + 2 πn

θ = arccos (- 0.68159) + 2 πn, θ = - arccos (- 0.68159) + 2 πn

Show solutions in decimal form

θ = 2.32072 \dots + 2 πn, θ = - 2.32072 \dots + 2 πn

What is the general solution for cos(θ)=(-0.68159) ?
The general solution for cos(θ)=(-0.68159) is θ=2.32072…+2pin,θ=-2.32072…+2pin