What is the general solution for cos(2/3 x-pi/2)=1 ?

The general solution for cos(2/3 x-pi/2)=1 is x=3pin+(3pi)/4

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cos(2/3 x-pi/2)=1

cos (\frac{2}{3} x - \frac{π}{2}) = 1

x = 3 πn + \frac{3 π}{4}

Solution steps

cos (\frac{2}{3} x - \frac{π}{2}) = 1

General solutions for

cos (\frac{2}{3} x - \frac{π}{2}) = 1

\frac{2}{3} x - \frac{π}{2} = 0 + 2 πn

Solve

\frac{2}{3} x - \frac{π}{2} = 0 + 2 πn : x = 3 πn + \frac{3 π}{4}

x = 3 πn + \frac{3 π}{4}

tan^{2} (x) sin (x) = sin (x), 0 \leq x \leq 2 π

- 3 sin (t) = 0

x, 0 = cos (x) - sin (x)

3 cos^{2} (θ) + 7 cos (θ) - 8 = 0

2 cos (2 a) = 2, 0 \leq θ \leq 2 π

What is the general solution for cos(2/3 x-pi/2)=1 ?
The general solution for cos(2/3 x-pi/2)=1 is x=3pin+(3pi)/4