SOLUTION: i am supposed to graph y=3cosx and y=sin(3x) on the same axes. i am having trouble. please help me. thank you

Algebra ->  Trigonometry-basics -> SOLUTION: i am supposed to graph y=3cosx and y=sin(3x) on the same axes. i am having trouble. please help me. thank you      Log On


   

Question 289562: i am supposed to graph y=3cosx and y=sin(3x) on the same axes. i am having trouble. please help me. thank you
Answer by CharlesG2(834) About Me  (Show Source):
You can put this solution on YOUR website!
i am supposed to graph y=3cosx and y=sin(3x) on the same axes. i am having trouble. please help me. thank you
plug in values for the first function and plot those then do the same with second function
+graph%28+500%2C+500%2C+-10%2C+10%2C+-10%2C+10%2C+3%2Acos%28x%29%2C+sin%283%2Ax%29+%29+
in y=3cosx, the amplitude increased 3 times
in y=sin(3x), the frequency increased 3 times