Question

phase shift? y=-2cos(4x+pi)

Answer 1

pi/4?

Answer 2

great jims, are you going to help?

Answer 3

i think its \(\Large \bf \dfrac{\pi}{4}\) not sure though

Answer 4

how did u get it?

Answer 5

\(\large\tt \begin{align} \color{black}{y=-2cos(4x+pi)\\
y=-2cos(4\color{red}{(x+\dfrac{\pi}{4})})}\end{align}\)