Express the sum or difference as a product of sines and/or cosines.sin(3?) - sin(5?)
A. 2 sin(4?) cos ?
B. -2 sin ? cos(4?)
C. 2 cos(3?) cos(4?)
D. -2 sin ?
Answer: B
Mathematics
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Provide an appropriate response.For which of the following is the corresponding Taylor series a finite polynomial of degree 3?
A. e-2x3 B. 3ln(x) C. x2 sin x D. 5x3 + 2x2 - 12
Mathematics
Classify the angle as acute, right, obtuse, or straight.5.54°
A. straight B. right C. obtuse D. acute
Mathematics
? is an acute angle and sin ? is given. Use the Pythagorean identity sin2 ? + cos2 ? = 1 to find cos ?.sin ? = 
A. 3
B. 2
C. 
D. 
Mathematics
Write a system of two linear equations in x and y whose graphs are given. Then, solve the system.Intercept points at (0, -1), (2, 0), (0, -2) and (4, 0).
What will be an ideal response?
Mathematics