What is the general solution for 2cos(θ)-sqrt(2)=0 ?

The general solution for 2cos(θ)-sqrt(2)=0 is θ= pi/4+2pin,θ=(7pi)/4+2pin

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2cos(θ)-sqrt(2)=0

2 cos (θ) - 2 = 0

θ = \frac{π}{4} + 2 πn, θ = \frac{7 π}{4} + 2 πn

Solution steps

2 cos (θ) - 2 = 0

Move

2

to the right side

2 cos (θ) = 2

Divide both sides by

2

cos (θ) = \frac{2}{2}

General solutions for

cos (θ) = \frac{2}{2}

θ = \frac{π}{4} + 2 πn, θ = \frac{7 π}{4} + 2 πn

tan (1 5^{\circ})

tan (θ) = 0

cos (10 5^{\circ})

2 sin^{2} (x) - 1 = 0

arcsin (0.8)

What is the general solution for 2cos(θ)-sqrt(2)=0 ?
The general solution for 2cos(θ)-sqrt(2)=0 is θ= pi/4+2pin,θ=(7pi)/4+2pin