Notes
Outline
Chapter 9
Slide 2
Slide 3
Slide 4
Slide 5
Slide 6
Slide 7
What does
“SOH CAH TOA”
stand for?
Sin =
Cos =
Tan =
A surveyor stands 200 feet from a building to measure its height with a 5 foot tall theodolite. The angle of elevation to the top of the building is 35 degrees.
How tall is the building?
Slide 11
An airplane flying 3500 feet above ground begins a 2 degree descent to land at an airport. How many miles from the airport is the airplane when it starts its descent?
Slide 13
COMPLETE THE RATIO:
Slide 15
Slide 16
Slide 17
Slide 18
Slide 19
COMPLETE:
1) sin
2
+
cos
2
=
_____
2) sin/cos = _____
3) (sin)(_____) = 1
Slide 21
REVIEW
Factor:
2x
2
+ 3x - 5
2x
2
+ 3x - 5 = (2x + 5)(x - 1)
Notes
