In the problem, P = (x, y) is the point on the unit circle that corresponds to the real number t. Find the exact value of the indicated trigonometric function of t.
?Find cos t.
A. - 
B. 
C. - 
D. - 
Answer: D
Mathematics
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Find parametric equations for the path of a particle that moves once clockwise along the circle x² +(y-7)² = 4, starting (2,7).
What will be an ideal response?
Mathematics
Express the sum in sigma notation.7 + 8 + 9 + 10 + 11 + 12
A. 
B. 
C. 
k
D. 
+ 7
Mathematics
Solve the compound inequality and graph the solution set on a number line. Except for the empty set, express the solution set in interval notation.10 < 5x ? 30
A. (-?, 2] ? (6, ?)
B. (-?, 2) ? [6, ?)
C. [2, 6)
D. (2, 6]
Mathematics
The bar graph shows the number of new residents in several towns during the years 1999 to 2001. Use the graph to answer the question. 
In the year 2000, how many more new residents did Crawley have than Middleton?
A. 78 B. 84 C. 32 D. 35
Mathematics