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Math 1508: Trigonometry - Filling Chart, Sketching Periods, and Solving Heights, Assignments of Pre-Calculus

University of Texas - El PasoPre-Calculus

For math 1508 students, providing instructions for group work on october 8. The tasks include filling a chart with trigonometric values using the unit circle, sketching one period of sine and cosine functions, and solving for the height of a radio tower given an angle of elevation. Students are required to give exact answers.

Typology: Assignments

Pre 2010

Uploaded on 08/19/2009

koofers-user-4z6
koofers-user-4z6 🇺🇸

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Math 1508 Names and IDs
D.Wilson
Group Work for Wednesday, October 8
Turn in one sheet, with work, per group. Unless stated otherwise, give exact answers.
1. (10 points) Fill in the chart below.
Rad 0 π
6
π
4
π
3
π
2
Deg 0◦30◦45◦60◦90◦
sin θ
cos θ
Use the unit circle to fill in this chart:
Rad 0 π
2π3π
22π
Deg 0◦90◦180◦270◦360◦
sin θ
cos θ
2. (5 points) Use the second chart to sketch one period of y= cos t.
3. (5 points) Use the second chart to sketch one period of y= sin t.
pf2

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Download Math 1508: Trigonometry - Filling Chart, Sketching Periods, and Solving Heights and more Assignments Pre-Calculus in PDF only on Docsity!

Math 1508 Names and IDs D.Wilson

Group Work for Wednesday, October 8

Turn in one sheet, with work, per group. Unless stated otherwise, give exact answers.

  1. (10 points) Fill in the chart below.

Rad 0

π 6

π 4

π 3

π 2

Deg 0 ◦^30 ◦^45 ◦^60 ◦^90 ◦

sin θ

cos θ

Use the unit circle to fill in this chart:

Rad 0

π 2

π

3 π 2

2 π

Deg 0 ◦^90 ◦^180 ◦^270 ◦^360 ◦

sin θ

cos θ

  1. (5 points) Use the second chart to sketch one period of y = cos t.
  2. (5 points) Use the second chart to sketch one period of y = sin t.
  1. (5 points) A surveyor is standing 130 feet from the base of a vertical radio tower. The surveyor measures the angle of elevation to the top of the monument as 67. 3 ◦. How tall is the radio tower? Round the answer to two decimal places, and include the units.
  2. (5 points) Use a reference angle and a right triangle to find cot

4 π 3

  1. (5 points) Use the figure below to find sec θ.