Find the exact value by using a half-angle identity.sin 
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Find the difference. Check by adding.5312 - 83
A. 5229 B. 5179 C. 5227 D. 5395
Mathematics
Provide an appropriate response.Consider the following figure, which is a square divided into two squares and two rectangles.
The length of each side of the large square is x + 4. Find a formula for the area of the largest square as a binomial raised to a power. Write the expansion of this binomial.
A. x2 - 16 B. x2 + 8x + 16 C. x2 - 8x + 16 D. x2 + 16
Mathematics
Use a graphing calculator to approximate the area between the graphs of the pair of functions on the given interval.y = ln x and y = xex; [1, 4]
A. 162.249 B. 161.249 C. 215.847 D. 155.249
Mathematics
Convert to radian measure. Leave your answer in terms of ?.-45°
A. - 
B. - 
C. - 
D. - 
Mathematics