Find the exact value of the expression.tan 105°
A. 
B. 
C. 2 + 
D. -2 - 
Answer: D
Mathematics
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Evaluate the integral.
A. 
ln
- 
ln
+ 
tan-1(et) + C
B. 
ln
- 
ln
+ C
C. 
ln
+ 
ln
+ 
tan-1(et) + C
D. 
ln
- 
ln
+ 
tan-1 t + C
Mathematics
Convert 
to Hexidecimal.
a. 155 b. 72 c. 48 d. A2 e. AF
Mathematics
Solve the quadratic equation by completing the square.9x2 + 36x + 35 = 0
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.A nail 6
inches long is driven into a board 
thick. How much of the nail protrudes from the other side of the board?
A. 9
in.
B. 1
in.
C. 5
in.
D. 
in.
Mathematics