Graphing the Function y = 2 cos(3x)

How to graph sine and cosine functions of the form
y = a sin(bx) and y = a cos(bx).
Link to Trigonometry playlist (Algebra 2):
• Trigonometry (Algebra 2)

[@un_professional88]

Nice explanation

[@ryanmarlboro2115]

Thank you so much! Your videos are so helpful to me