Trigonometry/For Enthusiasts/Degrees Minutes and Seconds
Vocabulary
edit1. | Explain the term coterminal. |
2. | What are complementary angles? |
3. | What are supplementary angles? |
Angle Addition
editIn the following problems, find the sum and the difference of the two given angles.
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Convert To Decimal
editIn the following problems convert the given angle in degrees, minutes, seconds to decimal degrees.
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Convert To Degree-Minutes-Seconds
editIn the following problems convert the given angle in decimal degrees to an angle in degrees, minutes, seconds.
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Draw The Angle
editOn paper, draw the following angle. If the angle is negative or larger than , convert it to an angle between and .
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On graph paper plot the following points and measure the angle with a protractor.
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Real World
edit28. | During an orienteering competition, you are headed in a compass direction of . |
You find that you need to head in the direction of . | |
How far must you change your course in order to travel in the new direction. | |
29. | Tuning the engine of your early model Chevy Camaro, you find the sparkplug fires at |
after the flywheel reaches the top position. You want the sparkplug to fire at | |
before it reaches the top. How many degrees must you adjust the timing so that it fires correctly? | |
30. | If your bicycle wheel spins around twice, how many degrees has it rotated? |
31. | A radar antenna rotates twice each minute. How many degrees will it rotate in an hour and a half? |