sorry if its a trivial question but what is the amplitude of the curve?

3cos(3x)-(sqrt3)sin(3x)

im not sure if this can be rewritten as a trig identity

im stumped!

thanx

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- May 9th 2007, 08:29 AMkhalid46amplitude of a wave
sorry if its a trivial question but what is the amplitude of the curve?

3cos(3x)-(sqrt3)sin(3x)

im not sure if this can be rewritten as a trig identity

im stumped!

thanx - May 9th 2007, 09:04 AMr_maths
- May 9th 2007, 09:17 AMkhalid46
thanx mate i appreciate the help.