Pythagorean trigonometric identity

#	Item
51	PDF Document Add to Reading List Source URL: math.la.asu.edu Language: English - Date: 2013-03-25 15:56:09 Sine Trigonometric functions Pythagorean trigonometric identity Special right triangles Triangle Radian Right triangle Square root of 2 Proofs of trigonometric identities Geometry Trigonometry Mathematics
52	PDF Document Add to Reading List Source URL: eqworld.ipmnet.ru Language: English - Date: 2005-05-04 00:35:00 Ordinary differential equations Differential equations Mathieu function Linear differential equation Recurrence relation Pythagorean trigonometric identity Mathematics Mathematical analysis Calculus