Evaluate or simplify the given expression.cot(csc-1 2x)
A. 
B. 
C. 
D. 4x2 - 1
Answer: B
Mathematics
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Use the graph to complete the identity.sin 5x cos 2x - cos 5x sin 2x = ?
A. y = cos 7x B. y = sin 7x C. y = cos 3x D. y = sin 3x
Mathematics
Find the vertical asymptotes of the rational function. f(x) = 
A. x = 0, x = -4, x = 4 B. x = -4, x = 4 C. x = 0, x = -4 D. x = 0, x = 4
Mathematics
Simplify the expression. Assume that all variables are positive when they appear.
A. 12y20 B. 12y11 C. 144y11 D. 12y22
Mathematics
Solve the equation.3x3 + 4x2 = 27x + 36
A. 
B. 
C. 
D. 
Mathematics