ACT Math 4.5 Trigonometry
ACT Math: Trigonometry Drill 4, Problem 5. What is the equation of the graph?
|Foreign Language||Arabic Subtitled|
|Geometry||Right Triangles and Trigonometry|
|Product Type||ACT Math|
|Trigonometry||Graphing trigonometric functions|
Next, for the amplitude, the graph moves three up and three down, so it's... 3. Simple
as that. We're down to answers B and C now. Finally, we have to take into account the
period of the graph.
The sin wave completes its first full cycle at π, which is twice
as fast as a normal sin wave. That means that the coefficient in the parentheses
should be 2. We have our match -- answer B.
Now wave bye-bye to the wave...