# How do you find the period and amplitude of y=3sin10x?

Dec 13, 2016

Given the general form: $y = \left(A\right) \sin \left(B x + C\right) + D$
The period, $T = \frac{2 \pi}{B}$
The phase shift, $\theta = - \frac{C}{B}$
For your problem, the amplitude is 3 and the period, $T = \frac{2 \pi}{3}$