+130536 The basic cosine function has a range of [ -1, 1 ]......the "4" out in front in this case is known as the "amplitude" and it effectively increases / decreases everything by a factor of 4.
So, the range of 4cos(x) = [-4, 4 ] .... !!!
Here's a graph that illustrates the point.....https://www.desmos.com/calculator/5whrzkd1l2
+130536 The basic cosine function has a range of [ -1, 1 ]......the "4" out in front in this case is known as the "amplitude" and it effectively increases / decreases everything by a factor of 4.
So, the range of 4cos(x) = [-4, 4 ] .... !!!
Here's a graph that illustrates the point.....https://www.desmos.com/calculator/5whrzkd1l2
