Express the product as a sum or difference.sin 4x sin 8x
A. sin2 32x2
B. 
(- cos 4x - cos 12x)
C. 
(cos 4x - cos 12x)
D. 
(cos 12x - sin 4x)
Answer: C
Mathematics
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Determine what the next equation would be, and verify that it is indeed a true statement.15 + 51 = 6616 + 61 = 77
A. 17 + 71 = 88 B. 55 + 33 = 88 C. 71 + 17 = 88 D. 17 + 71 = 102
Mathematics
Evaluate the integral.
dx
A. 5 ln 
+ C
B. -ln 
+ C
C. 5 ln 
+ C
D. ln 
+ C
Mathematics
Factor completely. If the polynomial is prime, state so.56s3 + 7
A. 7(2s + 1)(4s2 + 2s + 1) B. 7(2s + 1)(4s2 - 2s + 1) C. 7(2s + 7)(4s2 - 14s + 7) D. 7(2s - 1)(4s2 + 2s + 1)
Mathematics
Use the distributive property to multiply.m(m - n + 9)
A. m2 - mn + 9 B. m2 - mn - 9m C. m2 - n + 9 D. m2 - mn + 9m
Mathematics