Question

Solve cos(3x)=-1.

a. Write an equation that defines the value of 3x using an inverse trig expression.

b. Solve this to find all possible values of the angle 3x.

c. What are the values between 0, 2pi that satisfy the equation?

Answer 1

x=(2n-1)Pi/3

Answer 2

what section is that for?

Answer 3

a: 3x=arcos(-1)
b:3x=(2n-1)Pi x=(2n-1)Pi/3
c: Pi/3,Pi,5Pi/3