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 f(x)=-1-2cos(x),\at x=-pi/4 ?
- The tangent of f(x)=-1-2cos(x),\at x=-pi/4 is y=-sqrt(2)x-1-sqrt(2)-pi/(2sqrt(2))