Find the function value to four decimal places.Find tan ? if sec ? = 1.4730 and sin ? < 0.
A. 1.7804
B. -1.0815
C. -9.8909
D. -8.5270
Answer: B
Mathematics
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Solve.Find an equivalent expression for cos3 x in terms of function values of x, 2x, or 3x, raised only to the first power.
A. 
cos x + 
cos 3x
B. 
cos x - 
cos 3x - cos 2x
C. 
cos x + 
cos 3x + cos 2x
D. 
cos x - 
cos 3x
Mathematics
Round the following to the nearest ten, nearest hundred, and nearest thousand.6405
A.
| Ten | 6400 |
| Hundred | 6400 |
| Thousand | 6000 |
B.
| Ten | 6410 |
| Hundred | 6400 |
| Thousand | 6000 |
C.
| Ten | 6410 |
| Hundred | 6500 |
| Thousand | 6000 |
D.
| Ten | 6400 |
| Hundred | 6500 |
| Thousand | 7000 |
Mathematics
If posts are spaced 14 feet apart, how many posts are needed for 98 feet of straight-line fence? ?
A. 22 posts B. 8 posts C. 98 posts D. 7 posts E. 9 posts
Mathematics
Write as a percent. Round the percent to the nearest tenth if necessary.
A. 26% B. 2.6% C. 1000% D. 13%
Mathematics