These are notes I created in grade 10 when I first was introduced to trigonometry, this is an introduction into the topic . I have examples with answers under trig equations as well as detailed notes on trig graphs . In layman's terms , This document covers everything in trig that you will learn in...
An examination of the properties of a triangle, the trigonometric functions as well as the
application of such function.
Consider the following triangle:
4 x
3
Solve for X
Well that’s pretty simple , Theroem of Pythagoras …correct?
a2 +b2=c2
16+9=25
25=C2
5=C=X
Questions to ask yourself.
What happens if we remove 1 side from the triangle ? If so can we still solve for x?
, INTRODUCTION TO TRIGONOMETRY RATIOS
RATIOS:
• SIN
• COS
• TAN
SIN
4 5
3
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