Solve the problem.Find the area of the shaded region. Express the answer in terms of ?. 
A. 
? square units
B. 1? square units
C. 
square units
D. 
? square units
Answer: D
Mathematics
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Find the value of a so that the trigonometric function passes through the given point.y = a sin x
A. 1
B. 6
C. 
D. -6
Mathematics
Combine the following, if possible.5
- 2
A. 3
B. 7
C. -10
D. 3
Mathematics
Solve the problem.The total solar radiation H (in W/m2) on a certain surface during an average clear day is given by H = 
(-6 < t < 6),where t is the number of hours from noon. Find the derivative of H with respect to t.
A. 
= - 
B. 
= - 
C. 
= 
D. 
= - 
Mathematics
Simplify the expression. If any variables exist, assume that they are positive.
+ 
A. 4
B. 16
C. 8
D. 4
Mathematics