Question

Solve tan(3x)=1 if -pi≤x≤pi.

Answer 1

Tan(3x) = 1
3x = arctan(1) = pi/4, -3pi/4
x = (pi/4)/3 = pi/12 or (-3pi/4)/3 = -pi/4
Therefore, x = pi/12 or -pi/4

Answer 2

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