Trigonometry is the branch of mathematics that explains the relationship between sides and angles of a triangle. In a right angled triangle the three sides are perpendicular, base and hypotenuse, as ...

In this lesson we will cover how to verify trigonometric identities. We will begin by reviewing simplifying trigonometric ...

Trigonometric graphs can be sketched when you know the amplitude, period, phase and maximum and minimum turning points. Working with trigonometric relationships in degrees Trigonometric functions can ...

In this video I show you how to simplify trigonometric identities by adding fractions. I begin this lesson by reminding you ...