Complete the identity.1 - 
sin (2?) = ?
A. 
B. 
C. 
D. 
Answer: C
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Decide whether the statement makes sense. Explain your reasoning.Raul is planning to invest his money for one year only. He chose an account paying simple interest at 5% per year which was clearly a better deal than an account paying a 4.6% APR with interest compounded annually.
What will be an ideal response?
Solve the equation for the unknown.(t/2)2 = 25
A. t = 25 B. t = ±10 C. t = 1250 D. t = 10
Find the exact value of the expression.cos 285°
A. -
(
- 1)
B. -
(
+ 1)
C. - 
D. 
Explain the three different types of cohort effects and give an example of each.
What will be an ideal response?