What is the general solution for solvefor x,4cos(x)=0 ?

The general solution for solvefor x,4cos(x)=0 is x= pi/2+2pin,x=(3pi)/2+2pin

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solvefor x,4cos(x)=0

solve for

x, 4 cos (x) = 0

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

Solution steps

4 cos (x) = 0

Divide both sides by

4

cos (x) = 0

General solutions for

cos (x) = 0

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

sec (3 x) = - \frac{2 3}{3}

cos (x) + (1 - cos^{2} (x)) 2 = 0

2 cos (3 θ) = 0

3 sin (x) + tan (x) = 0

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

What is the general solution for solvefor x,4cos(x)=0 ?
The general solution for solvefor x,4cos(x)=0 is x= pi/2+2pin,x=(3pi)/2+2pin