In the problem, t is a real number and P = (x, y) is the point on the unit circle that corresponds to t. Find the exact value of the indicated trigonometric function of t.(
, - 
)Find csc t.
A. 
B. - 
C. - 
D. 
Answer: B
Mathematics
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Find dy.4x2y - 4x1/2 - y = 0
A. 
dx
B. 
dx
C. 
dx
D. 
dx
Mathematics
List the critical values of the related function. Then solve the inequality.
> 
A. -1, 
; (-?, -1) ? 
B. No critical values; (-?, ?)
C. No critical values; ?
D. -1, 0, 
, 2; (-1, 0) ? 
Mathematics
Use multiplication to check the answer. If an answer is incorrect, find the correct answer.
A. Correct B. Incorrect; should be 61 R335 C. Incorrect; should be 60 R336 D. Incorrect; should be 60 R337
Mathematics
Express the sum using summation notation.
- 
+ 
- ... + (-1)(13 + 1) 
13
A. 
k
B. 
k
C. 
D. 
k
Mathematics