Page 39 - Calculus Workbook For Dummies

23
Chapter 2: Funky Functions and Tricky Trig

9. Use the following triangle to complete the 10. Using your results from problems 7, 8, and
table below. 9, fill in the coordinates for the points on
the unit circle.
y
(0, 1)
2 1 120˚ 60˚
135˚
150˚ 45˚
45˚
1 (-1, 0) (1, 0)
30˚
x
sin45c = ____ csc45c = ____ -45˚
cos45c = ____ sec45c = ____ 210˚
tan45c = ____ cot45c = ____ 330˚
225˚
240˚ 315˚
Solve It 300˚

(0, -1)

Solve It

11. Complete the following table using your 12. Convert the following angle measures from
results from problem 10. degrees to radians or vice-versa.
tan120c = ____ csc180c = ____ 4 π = ____c
csc150c = ____ cot300c = ____ 150c = ____ radians 3
7 π
cot270c = ____ sec225c = ____ 225c = ____ radians 4 = ____c
300c = ____ radians 5 π
Solve It 2 = ____c
- 60c = ____ radians 7
- π = ____c
6
Solve It