Use the information given about the angle ?, to find the exact value of the indicated trigonometric function.sin ? = - 
, ? in quadrant IV Find cos 2?.
A. - 
B. 
C. 
D. - 
Answer: A
Mathematics
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Solve.Bonnie's Breakfast Bar has 24 tables and each table has either 2 or 4 chairs. If there are 82 chairs to go with the 24 tables, how many tables have exactly 4 chairs?
A. 8 B. 16 C. 7 D. 17
Mathematics
For the given polar equation, write an equivalent rectangular equation.r = cos ?
A. (x + y)2 = y B. x2 + y2 = x C. (x + y)2 = x D. x2 + y2 = y
Mathematics
Find the principal square root of the number. Approximate the answer to the nearest hundredth whenever appropriate.
A. 4
B. 
C. - 4, 4
D. - 
, 
Mathematics
Use the properties of logarithms to write the expression as the logarithm of a single expression.2 logx(y + 1) - logx(y2 - 1)
A. logx(1 - y)
B. logx 
C. log2x
D. logx(y + 1)
Mathematics