For this problem, let 
, and 
, and find
tan ?
?
A. 
B. 
C. 
D. 
E. 
Answer: B
Mathematics
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Use mathematical induction to prove the following.6 + 12 + 18 + . . . + 6n = 3n(n + 1)
What will be an ideal response?
Mathematics
Solve the equation for the indicated variable. Assume that the dimensions are such that matrix multiplication and addition are possible and that inverses exist when needed.Solve for Y: XY + ZY = A
A. Y = X-1(A - ZY) B. Y = (X + Z)-1 A C. Y = X-1(A - Z) D. Y = A(X + Z)-1
Mathematics
Which ordered pairs satisfy the system of inequalities given?
x + y > 1 x – y > 1 A. ( 7, 0 ) B. ( 0, 0 ) C. ( 2, 2 ) D. ( 0, 7 ) E. ( 7, 7 )
Mathematics
Solve the equation on the interval [0, 2?).2 cos2 x + sin x - 2 = 0
A. 
, 
, 
, 
B. 
, 
C. 
, 
D. 0, ?, 
, 
Mathematics