What is the general solution for 15cos(3x)=0 ?

The general solution for 15cos(3x)=0 is x= pi/6+(2pin)/3 ,x= pi/2+(2pin)/3

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15cos(3x)=0

15 cos (3 x) = 0

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

Solution steps

15 cos (3 x) = 0

Divide both sides by

15

cos (3 x) = 0

General solutions for

cos (3 x) = 0

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

Solve

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

Solve

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

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

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

72 (- 3 cos^{2} (x) sin^{2} (x) + cos^{4} (x)) = 0

sin (\frac{x}{5}) = \frac{2}{2}

x, sin (x) = 0.6

4 cos (2 t) = 4 sin^{2} (t) + 1

What is the general solution for 15cos(3x)=0 ?
The general solution for 15cos(3x)=0 is x= pi/6+(2pin)/3 ,x= pi/2+(2pin)/3