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Geometry Warm-Up 2/7/12

Geometry Warm-Up 2/7/12. Find the sine, cosine, and tangent of A & B. 8-4: Trigonometry. Geometry February 7, 2012. TRIGONOMETRY. SIN = OPP/HYP COS = ADJ/HYP TAN = OPP/ADJ. SOH CAH TOA.

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Geometry Warm-Up 2/7/12

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  1. Geometry Warm-Up 2/7/12 • Find the sine, cosine, and tangent of A & B.

  2. 8-4: Trigonometry Geometry February 7, 2012

  3. TRIGONOMETRY • SIN = OPP/HYP • COS = ADJ/HYP • TAN = OPP/ADJ SOH CAH TOA

  4. Example 1: A fitness trainer sets the incline on a treadmill to 7°. The walking surface is 5 feet long. Approximately how many inches did the trainer raise the end of the treadmill from the floor?

  5. “Gettin’ Triggy With It”

  6. Example 2: The bottom of a handicap ramp is 15 feet from the entrance of a building. If the angle of the ramp is about 4.8°, how high does the ramp rise off the ground to the nearest inch?

  7. Example 3: What is the value of x to the nearest tenth degree?

  8. Example 4: Find mB to the nearest tenth of a degree if cosB = 0.8926 and B is an acute angle.

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