Page 4 - Ebook Trigonometri_Krisna Hasugian_MESP 2019

Trigonometry – An Overview of Important Topics

So I hear you’re going to take a Calculus course? Good idea to brush up on your
Trigonometry!!

Trigonometry is a branch of mathematics that focuses on relationships between
the sides and angles of triangles. The word trigonometry comes from the Latin

derivative of Greek words for triangle (trigonon) and measure (metron).
Trigonometry (Trig) is an intricate piece of other branches of mathematics such

as, Geometry, Algebra, and Calculus.

In this tutorial we will go over the following topics.

 Understand how angles are measured

o Degrees
o Radians
o Unit circle

o Practice
 Solutions

 Use trig functions to find information about right triangles
o Definition of trig ratios and functions

o Find the value of trig functions given an angle measure
o Find a missing side length given an angle measure

o Find an angle measure using trig functions
o Practice
 Solutions

 Use definitions and fundamental Identities of trig functions
o Fundamental Identities

o Sum and Difference Formulas
o Double and Half Angle Formulas
o Product to Sum Formulas

o Sum to Product Formulas
o Law of Sines and Cosines

o Practice
 Solutions

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