Simplify the expression.sin x cos(x + y) + cos x sin(x + y)
A. cos(2x + y)
B. sin(2x + y)
C. cos y
D. sin y
Answer: B
Mathematics
You might also like to view...
Simplify the expression.
A. tan(2x - 3y) B. tan(-3y) C. tan 3y D. tan(x - 3y)
Mathematics
Write the rate as a simplified fraction. Then write the rate in word form.265 hours for 10 projects
A. 
265 hours for every 53 projects
B. 
53 hours for every 3 projects
C. 
53 hours for every 2 projects
D. 
53 projects for every 2 hours
Mathematics
Solve the equation on the interval 0 ? ? < 2?.cos2 ? = 3(1 - sin ?)
A. 
B. {0}
C. 
D. {?}
Mathematics
Give the coordinates of the points shown on the graph. 
A. A = (7, 1), B = (2, -2) B. A = (1, 30), B = (2, -2) C. A = (7, 1), B = (-2, 2) D. A = (7, 2), B = (1, 2)
Mathematics