trig2.notebook
March 24, 2014
What is SOH CAH TOA??
Right Triangle Trigonometry
I can evaluate trigonometric functions for right triangles.
I can use trig functions to model triangles and solve real­life problems (involving a right triangular setup). Mar 23­7:44 PM
Mar 23­7:45 PM
Trig Functions
Find the 6 trig functions of theta. 4
3
Mar 23­7:50 PM
o
Mar 23­8:06 PM
o
Find exact values of sin45 , cos45 , and o
tan45 .
o
o
Find the sine and cosine of 30 and 60 .
o
30
2
o
60
1
Mar 23­8:08 PM
Mar 23­8:10 PM
1
trig2.notebook
March 24, 2014
Trig Identities
Find x x
Exampe: cos sec =1
o
71.5
50
Example:
Prove that Mar 23­8:05 PM
Mar 23­8:15 PM
Evaluate cos All right, then!
I know the six trigonometric functions and can use them to solve right triangles. Homework: Page 310 #1­27, 57­61 odd Mar 23­8:25 PM
Mar 23­7:44 PM
Mar 23­8:04 PM
2