What is the general solution for cos(θ)=(2sqrt(2))/3 ?

The general solution for cos(θ)=(2sqrt(2))/3 is θ=0.33983…+2pin,θ=2pi-0.33983…+2pin

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

cos(θ)=(2sqrt(2))/3

cos (θ) = \frac{2 2}{3}

θ = 0.33983 \dots + 2 πn, θ = 2 π - 0.33983 \dots + 2 πn

Solution steps

cos (θ) = \frac{2 2}{3}

Apply trig inverse properties

θ = arccos (\frac{2 2}{3}) + 2 πn, θ = 2 π - arccos (\frac{2 2}{3}) + 2 πn

Show solutions in decimal form

θ = 0.33983 \dots + 2 πn, θ = 2 π - 0.33983 \dots + 2 πn

2 cos (x) - 2 sin (x) = - 3

cos^{4} (x) = 1

8 cos (2 x) = 8 cos (x) - 9

tan (x) = \frac{2}{1}

x, sin^{2} (x) = \frac{9 m - 8}{2}

What is the general solution for cos(θ)=(2sqrt(2))/3 ?
The general solution for cos(θ)=(2sqrt(2))/3 is θ=0.33983…+2pin,θ=2pi-0.33983…+2pin