Evaluate.
- 
A. -6
B. 
C. - 
D. - 
Answer: D
Mathematics
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Find the exact value of the expression. Do not use a calculator.1 - tan2 75° + csc2 15°
A. -1 B. 1 C. 2 D. 0
Mathematics
Graph the polar equation.r = 5 cos 5?
A. 
B. 
C. 
D. 
Mathematics
Find the vector projv u.v = 3i - j + 3k, u = 11i + 2j + 10k
A. 
i - 
j + 
k
B. 
i + 
j + 
k
C. 
i - 
j + 
k
D. 
i + 
j + 
k
Mathematics
Identify the figure and name it using the labels shown.
A. line c, or 
B. ray c, or 
C. point c
D. ?c
Mathematics