Find a cofunction with the same value as the given expression.csc 
A. cot 
B. sec 
C. csc 
D. csc 
Answer: B
Mathematics
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Establish the identity.cos4 x = 
(3 + 4 cos(2x) + cos (4x))
What will be an ideal response?
Mathematics
Factor as completely as possible. If unfactorable, indicate that the polynomial is prime.9x2 + 18x + 8
A. (3x + 4)(3x + 2) B. (9x + 4)(x + 2) C. prime D. (3x - 4)(3x - 2)
Mathematics
Use substitution to factor the polynomial.60z6 - 9z4 - 27z2
A. 3(4z4 - 3)(5z2 + 3) B. (12z3 - 9)(5z3 + 3) C. 3z2(5z2 - 3)(4z2 + 3) D. 3z2(4z2 - 3)(5z2 + 3)
Mathematics
Find (f ?g)(x) for the given functions f(x) and g(x).f(x) = 2x - 3 and g(x) = 4x - 6
A. 12x - 9 B. 2x + 3 C. 8x - 18 D. 8x - 15
Mathematics