1.2 - 1.3 Test topics and today`s notes on angles of elevation and

Untitled.notebook
September 22, 2014
Topics covered on Wednesday's 1.2­1.3 Test
• Find terminal points on the unit circle that corresponds to the given central angle.
Angle of Elevation
• Evaluate the 6 trig functions when given the central angle (t).
• Find the exact values of the 6 trig functions of theta, when given a right triangle with 2 sides.
• Use trig identities to simplify trig expressions.
sin 45 = x/150
• Find ALL remaining sides lengths and angles of a given right triangle.
150 sin 45 = x
• Find missing angles or lengths on angles of elevation/depression problems.
106.07 ft = x
Sep 21­7:35 PM
Sep 22­1:23 PM
Angle of Depression
sin x = 22/67.7
x = sin­1(22/67.7)
x = 18.96 degrees
Sep 22­1:24 PM
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