Verify the identity.
+ 
= -2 csc ?
What will be an ideal response?
+ 
= 
= 
= 
= 
= - 
= - 
? 
= - 
= - 2 csc ?
Mathematics
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Find the product.(x - 4i)(x + 4i)
A. x2 - 16 B. x2 - 8x - 16 C. x2 + 8x + 16 D. x2 + 16
Mathematics
Factor the expression completely.
?
?
A. 
B. 
C. 
D. 
Mathematics
Solve using Cramer's rule. 4x - 6y + 6z = 40-5x + 5y - 7z = -59 9x - 5y - 9z = -25
A. (8, 3, 7) B. (7, -5, -7) C. (5, 7, 5) D. (7, 5, 7)
Mathematics
Solve the inequality graphically. Give the solution in interval notation.Use the intersection method to solve -11x - 8 ? -12x - 6.
A. [2, ?) B. (-?, 2] C. (-?, -11) D. (-11, ?)
Mathematics