Solve the problem.If sin ? = 0.4, find sin (? + ?).
A. 0.6
B. 0.4
C. -0.6
D. -0.4
Answer: D
Mathematics
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Verify the identity.sin 4x = 2 sin 2x cos 2x
What will be an ideal response?
Mathematics
Factor completely, or state that the polynomial is prime.64x3 + 32x2 - 60x
A. x(16x - 12)(4x + 5) B. 4(4x2 - 3)(4x + 5) C. x(4x - 3)(16x + 20) D. 4x(4x - 3)(4x + 5)
Mathematics
Match the quadratic function to the correct graph.y = (x + 6)2
A. 
B. 
C. 
D. 
Mathematics
Simplify. Assume that all variables represent positive numbers.
A. b
B. b4
C. 
D. 2b
Mathematics