3 the six circular functions and fundamental

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Unformatted text preview: onvert each angle from degree measure into radian measure. (a) 0◦ (c) 135◦ (e) −315◦ (g) 45◦ (b) 240◦ (d) −270◦ (f) 150◦ (h) −225◦ 5. Convert each angle from radian measure into degree measure. (a) π (b) − 7π 6 11π (d) 6 (c) 2π 3 π 3 5π (f) 3 (e) (g) − (h) π 6 π 2 6. A computer hard drive contains a circular disk with diameter 2.5 inches and spins at a rate of 7200 RPM (revolutions per minute). Find the linear speed of a point on the edge of the disk in miles per hour. 7. A rock got stuck in the tread of my tire and when I was driving 70 miles per hour, the rock came loose and hit the inside of the wheel well of the car. How fast, in miles per hour, was the rock traveling when it came out of the tread? (The tire has a diameter of 23 inches.) 8. The Giant Wheel at Cedar Point is a circle with diameter 128 feet which sits on an 8 foot tall platform making its overall height is 136 feet. (Remember this from Exercise 5 in Section 7.2?) It completes two revolutions in 2 minutes and 7 seconds.20 Assuming the riders are at the edge of the circle, how fast are they traveling in miles per hour? 20 Source: Cedar Point’s webpage. 10.1 Ang...
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This note was uploaded on 05/03/2013 for the course MATH Algebra taught by Professor Wong during the Fall '13 term at Chicago Academy High School.

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