We've updated our
Privacy Policy effective December 15.
Please read our updated Privacy Policy and tap
Graph
Hide Plot »
Frequently Asked Questions (FAQ)
What is the tangent of y=-3cos(x),\at x=(3pi)/4 ?
- The tangent of y=-3cos(x),\at x=(3pi)/4 is y= 3/(sqrt(2))x+3/(sqrt(2))-(9pi)/(4sqrt(2))