Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.tan ? = 2, cos ? < 0Find sin 
.
A. 
B. 
C. -
D. -
Answer: B
Mathematics
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Simplify the expression. Assume all variables represent positive real numbers.
- 
A. 2
- 4
B. 6
C. 2 - 4
D. 4
- 2
Mathematics
Solve the problem.From a point on a river, two boats are driven in opposite directions, one at 6 miles per hour and the other at 14 miles per hour. In how many hours will they be 40 miles apart?
A. 3 hours B. 1 hour C. 2 hours D. 4 hours
Mathematics
Provide an appropriate response.Describe how the graph of y = x2 - 4 differs from the graph of 
.
What will be an ideal response?
Mathematics
Find the power of i.i6
A. -1 B. -i C. 1 D. i
Mathematics