What is the general solution for cos(θ)= 8/9 ?

The general solution for cos(θ)= 8/9 is θ=0.47588…+2pin,θ=2pi-0.47588…+2pin

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cos(θ)= 8/9

cos (θ) = \frac{8}{9}

θ = 0.47588 \dots + 2 πn, θ = 2 π - 0.47588 \dots + 2 πn

Solution steps

cos (θ) = \frac{8}{9}

Apply trig inverse properties

θ = arccos (\frac{8}{9}) + 2 πn, θ = 2 π - arccos (\frac{8}{9}) + 2 πn

Show solutions in decimal form

θ = 0.47588 \dots + 2 πn, θ = 2 π - 0.47588 \dots + 2 πn

2 sin (x) - cos (x) = 0, 0^{\circ} \leq x \leq 36 0^{\circ}

8 tan (A) + 3 = 2 tan (A) + 3

cosh (x) = 3

2 sec (x) + 1 = 0

cot (x) = - 3

What is the general solution for cos(θ)= 8/9 ?
The general solution for cos(θ)= 8/9 is θ=0.47588…+2pin,θ=2pi-0.47588…+2pin