What is the general solution for 3cos(3t)=0 ?

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

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3cos(3t)=0

3 cos (3 t) = 0

t = \frac{π}{6} + \frac{2 πn}{3}, t = \frac{π}{2} + \frac{2 πn}{3}

Solution steps

3 cos (3 t) = 0

Divide both sides by

3

cos (3 t) = 0

General solutions for

cos (3 t) = 0

3 t = \frac{π}{2} + 2 πn, 3 t = \frac{3 π}{2} + 2 πn

Solve

3 t = \frac{π}{2} + 2 πn : t = \frac{π}{6} + \frac{2 πn}{3}

Solve

3 t = \frac{3 π}{2} + 2 πn : t = \frac{π}{2} + \frac{2 πn}{3}

t = \frac{π}{6} + \frac{2 πn}{3}, t = \frac{π}{2} + \frac{2 πn}{3}

2 cos (x) - 1 = 0, 0 \leq x \leq 2 π

18 cos (x) + 9 sin (2 x) = 0

sin (x) = \frac{5}{29}

2 sin^{2} (\frac{1}{2} x) + C = sin (x) + C

sin (a) = \frac{3}{5}, cos (a)

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