1. 5, 12, 19, 26, 33, … is the sequence geometric or geometric, what is the 25^th term?

 

2. Is the following the sum of an arithmetic sequence, a geometric sequence, or neither. What is the sum?

 

 

 

 

3. what is coterminal with 710.

 

 

4. what is the exact value of:   (no decimal approximations)

 

5. Solve the trigonometric equation (cos x)(2cos x + 1)= 0 in the interval [0, 360)

    Find the exact values.

 

6.what is the exact value of arcsin  and arccos

 

7.  the point  find the corresponding point in rectangular coordinates. Exact value no decimal approximations

 

8. Given the point (-5,5) in rectangular coordinates, find a corresponding point in polar coordinates. Express the angle in radians.

 

9. For the parabola given by find: direction parabola opens, vertex, and focus.

 

 

10. A building contractor is planning to use a ladder to reach a window. If a 20-ft ladder leans against the building, with an angle of elevation of 70°, how far up the building will the ladder reach? Will the contractor be able to reach a window 18 feet above ground level? Show work.

 

11. An ellipse has the equation

 

(a) Is the major axis horizontal or vertical?

(b) Find the exact values of the foci of the ellipse. Show work.

 

 

12. Suppose that

Find the exact value of

Find the exact value of sin

 

 

13. Prove the identity

 

14. For the triangle ABC, we are given that

     Find the length of side a

 

15.  Solve the system of equations, using Gaussian elimination with or without matrices, or Gauss-Jordan elimination Show work.

 

 

AccountingQueen

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Status NEW Posted 15 Aug 2017 05:08 PM My Price 10.00

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