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.