9.10

9.10 TRIGONOMETRIC RATIOS

SHANE

If you were looking from point (H) at the top of a flag pole (A), the angle the line of sight HA make with horizontal HM is called angle of elevation.

http://www.icoachmath.com/SiteMap/AngleofElevation.html

Humpy Dumpy sat on a wall at point F, looking down at a unicorn U, the angle of his line of sight FU with the horizontal FR is called the angle of depression.

http://www.icoachmath.com/SiteMap/Angleofdepression.html

http://www.youtube.com/watch?v=oLsZB1VzxQo

Sorry its small but this section is about a half a page.

once again,

Peter Kessel