Find the exact value.Given that sin ? = -
with ? in quadrant IV, find cos 2?.
A.
B. -
C. -
D.
Answer: C
Mathematics
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Integrate the function.
A. 5 ln + C
B. + C
C. 5 + C
D. 5 + C
Mathematics
Solve the system of equations using substitution.
A. x = -5, y = -1; x = 8, y =
or (-5, -1),
B. x = 5, y = 1; x = -8, y = -
or (5, 1),
C. x = 5, y = 1; x = - , y = -8
or (5, 1),
D. x = -5, y = -1; x = , y = 8
or (-5, -1),
Mathematics
Write the compound inequality as an absolute value inequality. Do not simplify.-0.7 ? x + ? 0.7
A. ? 0.7
B. x + ?
C. ? 0.7
D. ? 0.7 +
Mathematics
Solve the equation. =
A. , -
B.
C. -8, 6
D. -
Mathematics