Pre-Calc Homework Solutions 32

Pre-Calc Homework Solutions 32 - 32 Section 1.6 t t 2 . 4 ....

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2. The y -values are the same in the interval 0 # t # 2 p . 3. The y -values are the same in the interval 0 # t # 4 p . 4. The x 1 -values and the y 2 -values are the same in each interval. 5. y 2 5 tan t : y 2 5 csc t : y 2 5 sec t : y 2 5 cot t : For each value of t , the value of y 2 5 tan t is equal to the ratio } y x 1 1 } . For each value of t , the value of y 2 5 csc t is equal to the ratio } y 1 1 } . For each value of t , the value of y 2 5 sec t is equal to the ratio } x 1 1 } . For each value of t , the value of y 2 5 cot t is equal to the ratio } x y 1 1 } . Exploration 2 Finding Sines and Cosines 1. The decimal viewing window [ 2 4.7, 4.7] by [ 2 3.1, 3.1] is square on the TI-82/83 and many other calculators. There are many other possibilities. [ 2 4.7, 4.7] by [ 2 3.1, 3.1] 2 . Using the Ask table setting for the independent variable on the TI-83 we obtain 3. [ 2 3, 3] by [ 2 2, 2] Using trace, cos t and sin t are being computed for 0, 15, 30, … , 360 degrees. Quick Review 1.6 1. } p 3 } ? } 18 p 0 8 } 5 60 8 2. 2 2.5 ? } 18 p 0 8 } 5 1 2} 4 p 50 } 2 8 < 2 143.24 8
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