Write the complex number in polar form. Express the argument ? in degrees, with 0 ? ? ? 360°.4
+ 4i
A. 8( cos 30° + i sin 30°)
B. 8( cos 60° + i sin 60°)
C. 8( cos 150° + i sin 150°)
D. 8( cos 330° + i sin 330°)
Answer: A
Mathematics
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A. 
B. 
C. 
D. 
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Find the exact value of the expression.sin
A. 1
B. 
C. 0
D. 
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Evaluate the expression.-29 - 51
A. 80 B. -22 C. -80 D. 22
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Find the maximum and minimum values of the objective function f subject to the stated constraints.f = 4x + 5y, subject to2x - 4y ? 10,2x + y ? 15,0 ? x ? 9,0 ? y ? 5.
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Mathematics