Using a sum or difference identity, write the following as an expression involving functions of x.sin 
A. 
cos x + 
sin x
B. -cos x
C. 
cos x - 
sin x
D. sin x
Answer: C
Mathematics
You might also like to view...
Tell whether the statement is true or false.Some rational numbers are integers.
A. True B. False
Mathematics
Find the slope of the line containing the given points.(3, 7), (9, 7)
A. -6 B. 6 C. 0 D. not defined
Mathematics
Complete.217 mL = L
A. 217,000 B. 21,700 C. 0.217 D. 2.17
Mathematics
Solve using artificial variables.Maximizez = 4x1 + 6x2subject to:2x1 + x2 = 12 2x1 + 2x2 ? 20 2x1 + 2x2 ? 24 x1 ? 0, x2 ? 0
A. Maximum is 72 for x1 = 0, x2 = 12 B. Maximum is 48 for x1 = 12, x2 = 0 C. Maximum is 68 for x1 = 2, x2 = 10 D. Maximum is 56 for x1 = 2, x2 = 8
Mathematics