Use an identity to write the expression as a single trigonometric function or as a single number.cos24x - sin24x
A. cos 8x
B. cos 4x
C. 2 sin 4x
D. 
sin 16x
Answer: A
Mathematics
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Answer the following statement(s) true (T) or false (F)
Research shows that students who use the balance scale model do not make errors when solving equations.
Mathematics
Solve the problem.Martha can rake the leaves in her yard in 2 hr. Her brother can do the job in 3 hr. How long will it take them to do the job working together?
A. 6 hr
B. 1
hr
C. 
hr
D. 
hr
Mathematics
Plot the complex number in the complex plane.5 + 2i 
A. 
B. 
C. 
D. 
Mathematics
Evaluate.Subtract - 
from - 
A. - 
B. - 
C. 
D. - 
Mathematics