AP Calculus & Mathematics

Defining Trigonometric functions Using the Unit Circle

Now we will define the reciprocals of sine, cosine and tan

We will now learn the Trigonometric table

The Values of these Trigonometric ratios vary in different Quadrants

Helpful Graphs

y = sinx

y = cosx

y = tanx

Problem

Solution

Problem

Problem

Problem

Symmetries of the Points on a Unit Circle

Periodic functions

Periodicity of Trigonometric functions

Trigonometric Identities

What are Identities

An identity is an equation that is always True for all values of the variables that it contains, as long as both sides are Mathematically  meaningful.

Try this

Try this