Find all values of ? in [0°, 360°) that satisfy the equation.
tan 
= -1
A. {150°}
B. {330°}
C. {300°}
D. {120°}
Answer: C
Mathematics
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Write the first four terms of the sequence whose general term is given. an = 
A. 1, 
, 
, 
B. 
, 
, 
, 
C. 1, 
, 
, 
D. 
, 
, 
, 
Mathematics
Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.tan ? = 2, cos ? < 0Find cos 
.
A. 
B. 
C. - 
D. -
Mathematics
Check the addition. If the answer is incorrect, find the correct answer.
1343
A. Incorrect; should be 1333 B. Incorrect; should be 1353 C. Incorrect; should be 1453 D. Correct
Mathematics
Find the requested value for the given functions.f(x) = x + 3, g(x) = 2x2 + 17x + 1Find (f ? g)(-2).
A. -25 B. 125 C. -45 D. -29
Mathematics