What is the general solution for 4cos(pi/4 (x+3))=0 ?

The general solution for 4cos(pi/4 (x+3))=0 is x=8n-1,x=8n+3

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4cos(pi/4 (x+3))=0

4 cos (\frac{π}{4} (x + 3)) = 0

x = 8 n - 1, x = 8 n + 3

Solution steps

4 cos (\frac{π}{4} (x + 3)) = 0

Divide both sides by

4

cos (\frac{π}{4} (x + 3)) = 0

General solutions for

cos (\frac{π}{4} (x + 3)) = 0

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

Solve

\frac{π}{4} (x + 3) = \frac{π}{2} + 2 πn : x = 8 n - 1

Solve

\frac{π}{4} (x + 3) = \frac{3 π}{2} + 2 πn : x = 8 n + 3

x = 8 n - 1, x = 8 n + 3

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What is the general solution for 4cos(pi/4 (x+3))=0 ?
The general solution for 4cos(pi/4 (x+3))=0 is x=8n-1,x=8n+3