Derivatives Question
View this question.
Add this question to a group or test by clicking the appropriate button below.
An equation of the line tangent to the graph of y=cos(2x) at x=π4 is which of the following?
- y-1=-(x-π4)
- y-1=-2(x-π4)
- y=2(x-π4)
- y=-(x-π4)
- y=-2(x-π4)