Use the sum and difference identities to evaluate exactly.sin 
A. - 
B. 
C. 
D. - 
Answer: B
Mathematics
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Find an equation of an ellipse satisfying the given conditions.Vertices: (1, 1) and (-7, 1); endpoints of minor axis: (-3, -1) and (-3, 3)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 0
Mathematics
Write an equivalent double integral with the order of integration reversed.
A. 
B. 
C. 
D. 
Mathematics
Factor the trinomial completely.-2x3 - 12x2 + 32x
A. -2x(x - 2)(x + 8) B. -2x2(x - 2)(x - 8) C. -2x(x + 2)(x - 8) D. 2x(x + 2)(x + 8)
Mathematics
If a capacitor or inductor is placed in a series resistive circuit the ______ and ______ become of a phase.
a. resistance; current b. voltage; current c. resistance; voltage d. resistance; impedance
Mathematics