What is the general solution for cos(7x)=0 ?

The general solution for cos(7x)=0 is x= pi/(14)+(2pin)/7 ,x=(3pi}{14}+\frac{2pin)/7

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cos(7x)=0

cos (7 x) = 0

x = \frac{π}{14} + \frac{2 πn}{7}, x = \frac{3 π}{14} + \frac{2 πn}{7}

Solution steps

cos (7 x) = 0

General solutions for

cos (7 x) = 0

7 x = \frac{π}{2} + 2 πn, 7 x = \frac{3 π}{2} + 2 πn

Solve

7 x = \frac{π}{2} + 2 πn : x = \frac{π}{14} + \frac{2 πn}{7}

Solve

7 x = \frac{3 π}{2} + 2 πn : x = \frac{3 π}{14} + \frac{2 πn}{7}

x = \frac{π}{14} + \frac{2 πn}{7}, x = \frac{3 π}{14} + \frac{2 πn}{7}

cos (7 x) = 1

cos (x + \frac{π}{2}) = 0

sin (3 x - 2) = 0

tan (x) = - 9

1 + cos (x) = sin (x)

What is the general solution for cos(7x)=0 ?
The general solution for cos(7x)=0 is x= pi/(14)+(2pin)/7 ,x=(3pi}{14}+\frac{2pin)/7