Download 12-1 Trigonometry Day 2

12­1 Trigonometry Day 2
March 02, 2015
ANY HOMEWORK QUESTIONS?
Warm up!: Evaluate the following with your calculator!
12-1 Continued: Angles of Elevation and
Depression
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12­1 Trigonometry Day 2
March 02, 2015
Example 1
Name the angles of
depression, and the
angles of elevation.
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12­1 Trigonometry Day 2
Example 2
March 02, 2015
The Seattle Space Needle casts a 67m shadow. If the angle of elevation from the tip of the shadow to the top of the Space Needle is 70o, how tall is the Space Needle (to the nearest meter)?
An observer in a lighthouse is 69 feet above the water. He sights two boats in the water directly in front of him. The angle of depression to the nearest boat is 48o . The angle of depression to the other boat is 22o . What is the distance between the boats?
Example 3
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12­1 Trigonometry Day 2
March 02, 2015
Example 4 EXTRA
Solving a Right Triangle - Find all measures
Example 5 EXTRA: Label the triangle with a variable in the appropriate place!!!
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