2. Triangles I 100 50 25 10 5 Triangles II AnglesAngles GraphsGraphs Misc.Misc. Review for Test 2 100 50 25 10 5 100 50 25 10 5 100 50 25 10 5 100 50 25 10 5 Chapter 6 and 7 Review for Test 2 Final Round

3. Triangle I

4. CheckWork cos(x)=3/4 Go Home Go Home 5 Point Question In the right triangle below, what is cos(x)? x 3 4

5. Based on the triangle below, find cot(x). 10 Point Question CheckWork Go Home Go HomeCot(x)=3/√5 x 3 4

6. 12.5 in, 36.9 0, and 53.1 0 25 Point Question One side of a right triangle is 7.5 in. The other side is 10 in. Find the length of the hypotenuse and the size of the two angles. CheckWork Go Home Go Home

7. Sin(A) = √21/5 and Tan(B)=2/√21 50 Point Question In the right triangle (right angle at C,) Cos(A) = 2/5. Find an expression for Sin(A) and Tan(B). CheckWork Go Home Go Home

8. How tall is a tree if the angle of elevation is 70 0 when you are standing 22 feet from its base. 100 Point Question CheckWork Go Home Go Home 60.44 ft.

9. Triangle 2

10. CheckWork C = 80 0 Go Home Go Home A = 25 0, c = 12, B = 75 0. Find C. 5 Point Question

11. 10 Point Question A = 25 0, c = 12, B = 75 0. Find a and b. CheckWork Go Home Go Home a = 5.15, b = 11.77

12. 25 Point Question CheckWork Go Home Go Home A = 68 0, b = 11 ft, c = 15 ft. Find B, C and a. a = 14.9 ft, B = 43.2 0, C = 68.8 0

13. a = 6, b = 8, c = 12. Find A, B and C. 50 Point Question CheckWork Go Home Go Home A = 26.4 0, B = 36.3 0, C = 117.2 0

14. A = 47 0, b = 12, a = 9. Find B, C, and c. 100 Point Question CheckWork Go Home Go Home Triangle 1: B = 77.2 0, C = 55.8 0, c = 10.2 Triangle 2: B = 102.8 0, C = 30.2 0, c = 6.2

15. Angles

16. Convert 120 degrees to radians 5 Point Question CheckWork Go Home Go Home 2 Pi/3

17. Convert 7 radians to degrees 10 Point Question CheckWork Go Home Go Home1260/Pi

18. 25 Point Question How long is the crust on a piece of pizza if the slice is cut at a 30 0 angle and the radius is 6 in. CheckWork Go Home Go Home 3.1415926… (PI!)

19. 15 radians or 859.4 0 A cable is wrapped around a drum with a 6 foot diameter. If we want to unroll 45 feet of cable, through what angle do we need to rotate the drum? 50 Point Question CheckWork Go Home Go Home

20. Find another angle between 0 and 360 degrees that has the same cosine as cos(15 o ) 345 o 100 Point Question CheckWork Go Home Go Home

21. Graphs

22. 2 Pi 5 Point Question What is the period of y = sin (x)? CheckWork Go Home Go Home

23. What is the amplitude of y = 7 cos(2x) 10 Point Question 7 CheckWork Go Home Go Home

24. Sketch the graph of y = 3sin(4x - Pi) 25 Point Question CheckWork Go Home Go Home

25. 50 Point Question Sketch the graph of y = -2cos(4x) + 3 CheckWork Go Home Go Home

26. 100 Point Question Find the equation for a sine function: Y=3sin(Pi x-Pi/2)+4 CheckWork Go Home Go Home

27. Miscelaneous

28. What family member will we be celebrating on Sunday May 14th? 5 Point Question CheckWork Go Home Go Home Our Mother Because it is Mother’s Day

29. What is the capitol of Washington State? 10 Point Question Olympia CheckWork Go Home Go Home

30. 25 Point Question Who is the King of Pop? Michael Jackson CheckWork Go Home Go Home

31. 50 Point Question Who is the King of Rock and Roll? CheckWork Go Home Go HomeElvis!

32. According to the Current, how much did I get paid last year? 100 Point Question CheckWork Go Home Go Home$50,245

33. In any right triangle, the sum of the squares of the two sides is equal to the square of the hypotenuse State (in words) the Pythagorean Theorem Final Question CheckWork Go Home Go Home