# Graphs of Trigonometric Functions | IntMath forum

- Phase shift [Solved!]

Hello, I have a question about phase shift. What makes the second approach incorrect? ...**Andrew**25 Nov 2015, 09:49 - What's the difference between phase shift and phase angle? [Solved!]

My text book says phase shift means one thing, my teacher says another about phase...**Rismiya**09 Oct 2015, 04:32 - Derivative of a sine curve? [Solved!]

Comments: what is the derivative of `y=asin(bx+c)`**Joe**24 Nov 2015, 10:25