Download 12.5 Introduction to Trigonometry.notebook

12.5 Introduction to Trigonometry.notebook
April 06, 2016
12.5 Introduction to Trigonometry
Bellwork
Use the Pythagorean Theorem to find the missing side.
TSW: 1. Find trig ratios using right triangles
2. Find the length of a missing side of a triangle
c
8
15
Jul 8­8:25 PM
Aug 23­7:34 AM
Definitions of Trigonometric (Trig) Ratios:
Given the triangle, find all three trig ratios for the identified angle. Write your answer as a reduced fraction!
8
Sine
S.O.H.
Cosine
C.A.H
Tangent
T.O.A
Sinθ=
Cosθ=
Tanθ=
3
6
Dec 11­8:27 PM
Given the triangle, find all three trig ratios for the identified angle. Write your answer as a reduced fraction!
Dec 11­8:40 PM
Given the triangle, find the length of the missing side and all three trig ratios for the identified angle. Write your answer as a reduced fraction!
Find the length of the missing side.
15
5
7
3
10
B
Dec 11­8:40 PM
Dec 11­8:40 PM
1
12.5 Introduction to Trigonometry.notebook
Given the triangle, find the length of the missing side and all three trig ratios for the identified angle. Write your answer as a reduced fraction!
Find the length of the missing side.
Dec 11­8:40 PM
Given the ordered pair, draw the triangle on a coordinate plane and identify all three trig ratios.
(3, ­5)
Find the length of the missing side.
Dec 11­8:40 PM
April 06, 2016
Given the ordered pair, draw the triangle on a coordinate plane and identify all three trig ratios.
(5, 4)
Find the length of the missing side.
Dec 11­8:40 PM
Assignment
12.5 Worksheet
Jul 8­8:25 PM
2