However, it's still hard to get an intuitive sense of the relationship between the circle and the trigonometric functions and the triangles. That all changes with animated GIFs.

Trigonometry is a branch of mathematics that studies relationships between the sides and angles of triangles. Trigonometry is found all throughout geometry, as every straight-sided shape may be ...

Trigonometry close trigonometryThe study of sides and angles in triangles. can be used to find a missing angle in a right-angled triangle when two sides are known. An understanding of the three ...

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

Irwin M. Rothman, Pitfalls in the Trigonometric Solution of an Oblique Triangle, The Mathematics Teacher, Vol. 37, No. 7 (NOVEMBER 1944), pp. 311-313 ...

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.

A. D. Bradley, Trigonometry of Right Spherical Triangles and the Gnomonic Projection, The American Mathematical Monthly, Vol. 58, No. 1 (Jan., 1951), pp. 34-36 ...

Do you face difficulty memorising trigonometric formulas and table? Here are some quick and easy tips and tricks to learn these formulas and ratios of the trigonometry table. These tips will help ...