Express in terms of i.
A. -2i
B. 2
C. 2i
D. -2
Answer: C
Mathematics
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Use the Change-of-Base Formula and a calculator to evaluate the logarithm. Round your answer to two decimal places.log(2/3)19
Fill in the blank(s) with the appropriate word(s).
Mathematics
Use the given information to find the exact value of the trigonometric function.cos ? = - 
; The terminal side of ? lies in Quadrant III.
Find cos 
.
A. 
B. - 
C. - 
D. 
Mathematics
Use the Factor Theorem to determine whether x - c is a factor of f(x).f(x) = x4 + 11x3 + 7x2 + 73x - 44; x + 11
A. Yes B. No
Mathematics
Write the expression in terms of sines and/or cosines, and then simplify.cot x sin x - tan x cos x
A. cos x - sin x
B. 
C. 
D. 
Mathematics