In the Introduction to the Derivative video we introduce the notion of the derivative of a function and explain how the derivative captures the instantaneous rate of change of a function. In the ...

U.S. Rep. Tony Gonzales staffer's death under investigation; her body was on fire, official said. Robert Redford and Paul Newman found something rare in Hollywood: A true and lasting friendship ICE ...

Remember that integration is the inverse procedure to differentiation. So, if you can do trigonometric differentiation, you can do trig integration.

Revising the trigonometric laws and identities, covered in Class 10 and 11, can help you crack the toughest of questions Trigonometry is the mathematics of triangles and it is quite amazing that the ...