sorry, i just have one question.
Could you please explain how you did #2? I can't get past the second step.
How did you get tan^2x(1-cos2x) to equal tan^2x - sin^2x? After I distribute the tan^2x, I'm not sure what to do.
Thanks!
sorry, i just have one question.
Could you please explain how you did #2? I can't get past the second step.
How did you get tan^2x(1-cos2x) to equal tan^2x - sin^2x? After I distribute the tan^2x, I'm not sure what to do.
Thanks!