Use the information given about the angle ?, to find the exact value of the indicated trigonometric function.tan ? = 
, 0 < ? < 
Find cos 2?.
A. - 
B. 
C. - 
D. 
Answer: C
Mathematics
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Provide an appropriate response.The following equations each describe the motion of a particle. For which path is the particle's velocity vector always orthogonal to its acceleration vector?(1) r(t) = t6i + t6j(2) r(t) = cos (8t)i + sin (9t)j(3) r(t) = ti + t3j(4) r(t) = cos (-4t)i + sin (-4t)j
A. Path (4) B. Path (1) C. Path (3) D. Path (2) and Path (4)
Mathematics
Determine whether the following series is convergent or divergent.
?
What will be an ideal response?
Mathematics
Add or subtract, as indicated. Assume that all variables represent positive real numbers.6
- 5
A. - 
B. 
C. - 
D. 
Mathematics
Add as indicated.-16 + (-17)
A. 1 B. -33 C. -1 D. 33
Mathematics