Question

3tan(2x+15*)=4 for 0* 12 years ago

Answer 1

How familiar are you with the inverse tangent function? That function would be useful here.

1. Divide both sides of your equation by 3.
2. Take the inverse tangent of both sides.
3. Subtract 15 from both sides of the resulting equation.
4. Divide both sides of the resulting equation by 2.

Answer 2

Please give this a try. Let me know if any questions arise.