Download 4.3: Right Triangle Trig

4.3: Right Triangle Trig - Day 1
Goals
Evaluate the six trig functions of acute angles in right triangles.
Use right triangle trig to solve and model real-life problems.
Right Triangle Trigonometry
Sine (sin)
Cosine (cos)
SOH
CAH
Cosecant (csc)
reciprocal of sine
Tangent (tan)
TOA
Secant (sec)
Cotangent (cot)
reciprocal of cosine reciprocal of tangent
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More Fun with Trig
Example 1:
Example 2:
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Gettin' Triggy Wit It
Example 3:
Example 4:
Angle of Elevation
(looking up)
Angle of Depression
(looking down)
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Mr. Trig Stuff
Example 5:
Example 6:
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4.3 Day 1 Assignment
p.287 #1-15 odd, 57-60 all, 62, 65, 66 (15 questions)
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4.3 Day 1 Assignment (2)
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4.3 Day 1 KEY p.287 #1-15 odd, 57-60 all, 62, 65, 66
58. 9sqrt(3)
62. h = 18
60. 20sqrt(2)
66. About 1.3 miles high
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