What is the general solution for -3-6cos(x)=0 ?

The general solution for -3-6cos(x)=0 is x=(2pi)/3+2pin,x=(4pi)/3+2pin

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-3-6cos(x)=0

- 3 - 6 cos (x) = 0

x = \frac{2 π}{3} + 2 πn, x = \frac{4 π}{3} + 2 πn

Solution steps

- 3 - 6 cos (x) = 0

Move

3

to the right side

- 6 cos (x) = 3

Divide both sides by

- 6

cos (x) = - \frac{1}{2}

General solutions for

cos (x) = - \frac{1}{2}

x = \frac{2 π}{3} + 2 πn, x = \frac{4 π}{3} + 2 πn

tan (θ) = \frac{26}{53}

n, y = - sin (2 (\frac{π}{4} + πn)) 2

tan (a) = \frac{7}{24}

2 cos^{2} (t) tan (t) - tan (t) = 0

3 = 2 - 2 sin (x)

What is the general solution for -3-6cos(x)=0 ?
The general solution for -3-6cos(x)=0 is x=(2pi)/3+2pin,x=(4pi)/3+2pin