Please help me out solving these questions.

Please help me out solving these questions.


Section 2.3b Paper Homework
NAME:______________________
For all problems, show all your work. Reduce answers to lowest terms. Then number in the
brackets indicates the point value.
For questions 1-3, a point P is given on the circle 2 + 2 = 2 . The point is also on the terminal
side of an angle in standard position. Find the exact value of the six trigonometric functions.
[8 points each]
4
√33
,− )
7
7
1. = (
2. = (−9, −7)
3. = (−2,10)
Section 2.3b Paper Homework
NAME:______________________
For questions 4-7, use the fact that the trigonometric functions are periodic to find the exact
value of the given expression. Do not use a calculator. [6 points each]
4. cot 390°
5. csc 390°
6. sec 20
7. tan
19
6
For questions 8-13, use the even-odd properties to find the exact value of the given expression.
Do not use a calculator. [6 points each]
8. cos(−60°)

11. sin (− 6 )
9. cot(−45°)
10. sin(−90°)
12. tan(−2 )
13. csc (−
14. [4] If cos = 0.3, find the value of cos + cos( + 2 ) + cos( + 4 ).
15. [4] If cot = 7, find the value of cot + cot( + ) + cot⁡( + 2 ).
1
6
16. If ( ) = sin⁡( ) and ( ) = find the exact value of the following
a. [4] (− )
b. [4] ( ) + ( + 2 ) + ( + 4π)
2
)
3

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