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Math

Join our Math World now to meet up with other math students and mathematicians on the Web. Learn how to perform basic math functions, and share your own tips and tricks for solving problems and calculating answers for everything math related, from algebra to geometry to trigonometry to advanced calculus.
Diagram of a triangle illustrating the cosine rule with labeled sides and angle.
May 25, 2010

Want to solve for a side of a triangle when 2 sides and an angle are known? Learn how with this free video trig lesson. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's bes ...

Mathematical illustration showing a triangle with cosine relationships and equations on a blackboard.
May 25, 2010

Need help proving the cos(a+b) = (cos a)(cos b)-(sin a)(sin b) trigonometric identity? This free video lesson will show you how. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the wo ...

Mathematical equations and a geometric triangle illustration on a black background.
May 25, 2010

Need help proving the sin(a+b)=(cos a)(sin b)+(sin a)(cos b) trigonometric identity? This free video lesson will show you how. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the worl ...

"How to Verify trigonometric identities" cover image
May 25, 2010

Need help wrapping your head around trigonometric identities? Watch this free video trig lesson. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathema ...

"How to Find the area between curves with definite integrals" cover image
May 25, 2010

Need to calculate the area between two curves? This free video lesson will show you how. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical mi ...

Mathematical expression for product rule in calculus.
May 25, 2010

Reverse the product rule to integrate by parts! From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, th ...

Integral equation with polynomial terms shown in purple on a black background.
May 25, 2010

Want to know how to find the indefinite integral (or anti-derivative) of a polynomial? From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical mind ...

Graph depicting the relationship between distance, time, and velocity in a physics context.
May 25, 2010

Learn how to use the definite integral to solve for the area under a curve. Also see why an antiderivative is the same thing as the area under a curve. From Ramanujan to calculus co-creator Gottfried ...

"How to Find indefinite integrals or antiderivatives in calc" cover image
May 25, 2010

Need help figuring out how to calculate indefinite integrals or antiderivatives in calculus? From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematica ...

Mathematical equations involving exponential functions and derivatives.
May 25, 2010

Learn how to use the quotient rule to find derivatives in calculus. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to ...