What is the general solution for cos(θ)=-0.11 ?

The general solution for cos(θ)=-0.11 is θ=1.68101…+2pin,θ=-1.68101…+2pin

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cos(θ)=-0.11

cos (θ) = - 0.11

θ = 1.68101 \dots + 2 πn, θ = - 1.68101 \dots + 2 πn

Degrees

θ = 96.31531 \dots^{\circ} + 36 0^{\circ} n, θ = - 96.31531 \dots^{\circ} + 36 0^{\circ} n

Solution steps

cos (θ) = - 0.11

Apply trig inverse properties

cos (θ) = - 0.11

General solutions for

cos (θ) = - 0.11

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

θ = arccos (- 0.11) + 2 πn, θ = - arccos (- 0.11) + 2 πn

θ = arccos (- 0.11) + 2 πn, θ = - arccos (- 0.11) + 2 πn

Show solutions in decimal form

θ = 1.68101 \dots + 2 πn, θ = - 1.68101 \dots + 2 πn

5 cos^{2} (y) + 2 sin (y) = 0

tan (θ) = \frac{2}{2}

tan^{2} (θ) - 16 = 0

(0.5) (9.8) = (0.45) (9.8) sin (θ)

tan (θ) = - 1.732

What is the general solution for cos(θ)=-0.11 ?
The general solution for cos(θ)=-0.11 is θ=1.68101…+2pin,θ=-1.68101…+2pin