Use the given information to find the exact value of the trigonometric function.sec ? = 4, ? lies in quadrant I
Find cos 
.
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Find the area or volume.Find the area under the curve y = 
bounded on the left by x = 3.
A. 
B. 1
C. 4
D. 
Mathematics
Find the limit, if it exists.
A. 1 B. 2 C. 4 D. Does not exist
Mathematics
Solve the system of linear equations.
A. 
B. 
C. 
D. 
Mathematics
Evaluate the expression.(-7)2
A. -14 B. -49 C. 14 D. 49
Mathematics