Find the tangent line to the graph of f(x) = cos22x at 
.
A. -2
B. 1
C. 2
D. -1
E. none of these
Answer: E
Mathematics
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Write the expression in the standard form a + bi.7i(6 - 4i)
A. 28+ 42i B. 42i + 28i2 C. 42i - 28i2 D. 42i- 28
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Find the absolute value.|-0.005|
A. -0.005 B. 0.01 C. 0.005 D. 0
Mathematics
Solve the formula for the given variable.A = 
for b
A. b = 
B. b = 
C. b = 
D. b = 
Mathematics
Solve for the variable.-48 = -4n
A. -44 B. 12 C. 2 D. 44
Mathematics