Use a reference angle to find the value. sin 120°
A. - 
B. 
C. - 
D. - 
Answer: B
Mathematics
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Determine whether the series is absolutely convergent, conditionally convergent, or divergent.
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Mathematics
Use a calculator to find the value to four decimal places.
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Fill in the blank(s) with the appropriate word(s).
Mathematics
Determine the direction angle for the vector. Round to the nearest tenth of a degree.v = -12i + 5j
A. none of these B. 112.6° C. 22.6° D. 157.4°
Mathematics
Find the product.(x + 3)(-2x - 7)
A. -2x2 - 15x - 21 B. -2x2 - 13x - 21 C. -2x2 - 21x - 13 D. -2x2 - 13x - 13
Mathematics