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2013ch6aday4.notebook
Chap6A day4 1
February 05, 2013
3π
6π
π4
35π
2π3
34π
3π4
5π4
7π4
65π
67π
611π
First, let's take a trip around the unit circle!
2013ch6aday4.notebook
Chap6A day4 2
February 05, 2013
Trig Chapter 6a Day 4!OBJ: -Find the values of 6 trig functions using the unit
circle and "familiar" angles.What are the 6 trig functions????Remember SOH-CAH-TOA? Those are the first 3 trig functions.
sin = opphyp
cos = adjhyp
tan = oppadj
=yr
= rx
=yx
x
yr = 1
(x, y)
The other 3 are reciprocal functions.
(cosecant)
(secant)
(cotangent)
(sine)
(cosine)
(tangent)
1
1
1
1
r = 1
2013ch6aday4.notebook
Chap6A day4 3
February 05, 2013
Give the exact values of the following trig functions.
1
1
1
1
ex:
ex:
2013ch6aday4.notebook
Chap6A day4 4
February 05, 2013
ex:
ex:
ex:
ex: 135o
1
1
1
1
2013ch6aday4.notebook
Chap6A day4 5
February 05, 2013
ex: sin45o +cos 60o
Simplify
ex:
Assn #19 Pp392-393 (32, 34, 39, 43, 46, 48) (12- 28even) do AFTER the above 6 problems.