Graphs of y = a sin bx, y = a cos bx and y = tan bx: amplitude, period, dilations and reflections

What this note covers

1. The basic sine and cosine graphs
2. Amplitude and period in y = a sin bx
3. Amplitude and period in y = a cos bx
4. The tangent graph and its asymptotes
5. Dilations and reflections without shifts
6. Reading and using trigonometric graphs

6 sections · 10 key terms & formulas · 6 common mistakes