At the heart of trigonometry lie the trigonometric functions, which relate the angles of a triangle to the ratios of its sides. The most basic trigonometric functions are sine, cosine and tangent, ...

But do you really understand the very basic concepts of trig ... But where is the trig? This is the trig. That curve above is a special function. It's called the tangent function.

Interestingly enough, the trigonometric functions that define those relationships are also closely tied to circles. Needless to say, this makes trig one of the hardest topics in math for students ...

Meanwhile trigonometry focuses on functions that depend on angles. These functions, such as the sine and cosine, are defined using right triangles. Imagine a right triangle with one side that lies ...

Inverse trigonometric functions are the inverse functions of the basic trigonometric functions which are sine, cosine, tangent, cotangent, secant and cosecant. sin-1 x should not be confused with ...