Find the product.(4 cos ? + 1)(4 cos ? - 1)
A. 16 cos2? - 8 cos ? - 1
B. 8 cos2? - 1
C. 16 cos2? - sin2 ?
D. 16 cos2? - 1
Answer: D
Mathematics
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Find the average value of the function over the given interval.y = x2 - 3x + 6; [0, 6]
A. 24 B. 6 C. 9 D. 39
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Simplify.
2
A. 
B. 
C. 
D. 
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Solve the problem.The two equal sides of an isosceles triangle measure three feet. Let the angle between the sides measure ?. Find the area A of the triangle as a function of 
. The answer may include more than one trigonometric function.
What will be an ideal response?
Mathematics
Identify the value of the function 
at 
. Round to 3 decimal places.
A. 6.819 B. 3.961 C. 2.961 D. 4.461 E. 3.461
Mathematics