Find the exact value of the expression in degrees without using a calculator or table.? = sec-1 
A. 135°
B. 30°
C. 45°
D. 225°
Answer: C
Mathematics
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Find the slope of the polar curve at the indicated point.r = -5 csc ?, ? = 
A. Undefined B. -1 C. 0 D. 1
Mathematics
Find the slope of the tangent line to the graph of each function at the given point and determine an equation of the tangent line.
?
at 
?
A. 
B. ?
C. 
D. 
Mathematics
Solve.A football team lost 5 yards on each of two consecutive plays. What was the team's total change in yardage on these two plays?
A. 3 yard loss B. 12 yard loss C. 3 yard gain D. 10 yard loss
Mathematics
Find the vector projv u.v = i + j + k, u = 4i + 12j + 3k
A. 
i + 
j + 
k
B. 
i + 
j + 
k
C. 
i + 
j + 
k
D. 
i + 
j + 
k
Mathematics