Question

Solve cot(3x)= -squareroot 3 / 3.

Answer 1

cotangent is the inverse of tangent function. Hence, in this case, the equation is converted to tan 3x = -1/ squareroot 3 / 3 = -squareroot 3using a calculator in the radians mode,  3x is equal to -pi/3. This means x should be equal to -pi/18.