Find the exact value. Do not use a calculator.tan (-?)
A. 1
B. -1
C. 0
D. undefined
Answer: C
Mathematics
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Find the values of a1, a2, a3, and a4.an = sin (n?)
A. 0, 0, 0, 0 B. 1, 0, -1, 0 C. 1, 1, 1, 1 D. 0, 1, 0, -1
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Find the indicated term or coefficient of the binomial expansion.Find the 4th term of the expansion of (x + 3)12.
A. 1980x9 B. 5940x9 C. 1980x3 D. 5940x3
Mathematics
Graph the circle by finding the center and radius.
x² + 6x + y² = 7
Mathematics
Determine whether the relation defines y as a function of x. Give the domain.xy = -5
A. Function; domain: (-?, 0) ? (0, ?) B. Function; domain: (-?, ?) C. Not a function; domain: (-?, ?) D. Not a function; domain: (-?, 0) ? (0, ?)
Mathematics