I'm talking about trigonometry, of course: that bastion of angles and triangles that is essential to calculating velocity, momentum, and much more.

This is a no-nonsense collection of tutorials that covers Algebra I and II, Geometry, Calculus, Trigonometry, Statistics, and it even will show you how to set up an Excel spreadsheet.

Learn about three trigonometric ratios in similar right-angled triangles with this BBC Bitesize Maths article. For students between the ages of 11 and 14.

Trigonometric functions are often used in embedded systems. Motor drivecontrol applications such as the Park Transform, Clarke Transform, andPWMgeneration use trigonometric functions extensively.

This is a no-nonsense collection of tutorials that covers Algebra I and II, Geometry, Calculus, Trigonometry, Statistics, and it even will show you how to set up an Excel spreadsheet.

Last week we published a series of posts debunking Trig Trutherism, the idea that Sarah Palin is not the mother of the young Trig Palin. Andrew Sullivan, who is the most prominent Trig doubter ...

Learn about three trigonometric ratios in similar right-angled triangles with this BBC Bitesize Maths article. For students between the ages of 11 and 14.