Find the exact value of the trigonometric expression without the use of a calculator.sin 105°
A. 
B. - 
C. - 
D. 
Answer: D
Mathematics
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Use Identities to find the exact value.cos 255°
A. 
B. 
- 
C. 
- 
D. 
Mathematics
Add.(-2) + 8 + (-1) + 7 + (-8)
A. 20 B. -8 C. -4 D. 4
Mathematics
A right circular cylinder is inscribed in a sphere of radius r = 5cm. Find the largest possible surface area of such a cylinder. Round the result to the nearest hundredth.
a. 157.08
b. 177.08
c. 187.08
d. 167.08
e. 197.08
Mathematics
Solve the problem.A quantity, its 
, its 
, and its 
, added together, become 17. What is the quantity?
A. 
B. 
C. 
D. 
Mathematics