hw: 84 tb p. 573575 #1745...
TRANSCRIPT
84notes.notebook January 19, 2016
84 TB p. 573575 #1745 odd HW:
Warm Up
84notes.notebook January 19, 2016
Trig Practice with FSA calculators.
pick one up and get your wb
plus: announcement!
84notes.notebook January 19, 2016
Step 1: Identify the reference angle (one of the acute).
Step 2: Label your triangle sides as opposite, adjacent and hypotenuse.
Step 3: Identify the proper Trig Ratio and write your equation.
84notes.notebook January 19, 2016
38
x49
A
B C
1. Identify reference angle.
2. Identify sides.
3. Identify trig ratio.
4. Write the trig equation.
5. Solve the equation.
(a) Exact answer.
(b) Decimal answer (round to nearest tenth)
52
x26
A
B C
63
x
A
B C18
35
x
A
B C45
x
24
A
B C18
What is different about this picture than the ones for the previous problems?
To find the measure of one of the acute angles of a right triangle, we will use the inverse of our Trig Ratios.
we will get to this on Tuesday 1/19!
84notes.notebook January 19, 2016