Find the exact value of the expression. Do not use a calculator.1 - sin2 30° - sin2 60°
A. 
B. 
C. 1
D. 0
Answer: D
Mathematics
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Solve the problem.Find the volume that remains after a hole of radius 1 is bored through the center of a solid cylinder of radius 2 and height 4.
A. 12? B. 4? C. 16? D. 6?
Mathematics
Establish the identity.sec(2?)= 
What will be an ideal response?
Mathematics
Solve and graph the solution set.-5(6x - 5) < -5(7x + 2)
A. {x|x < -7} or (-?, -7)
B. {x|x > -35} or (-35, ?)
C. {x|x < -35} or (-?, -35)
D. {x|x > -7} or (-7, ?)
Mathematics
Find the exact value of the product.sin 
sin 
A. 
- 
B. 
- 
C. 
- 
D. 
- 
Mathematics