Use a sum or difference identity to find the exact value.sin(-15°)
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Express as a single logarithm and, if possible, simplify.
ln 4x2 - 
ln 2m5
A. ln 
B. 
ln (8 xm10)
C. ln 
D. 8 ln (xm10)
Mathematics
Solve the problem.Suppose that 
= 2. Find 
and 
.
A. 6; -2
B. 12; 
C. 12; -2
D. 8; 2
Mathematics
Solve the problem.Rounded to three decimal places, the two solutions of x2 = x + 1 are
A. 1.618 and -1.618. B. 1.618 and -0.618. C. 1.618 and 2.236. D. 1.618 and 0.618. E. none of these
Mathematics
Answer the question.Explain how to construct a line through a point P parallel to a line l using the corresponding-angle method.
What will be an ideal response?
Mathematics