In the problem, t is a real number and P = (x, y) is the point on the unit circle that corresponds to t. Find the exact value of the indicated trigonometric function of t.(- 
, - 
)Find cot t.
A. 
B. - 
C. 
D. - 
Answer: C
Mathematics
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Solve the problem.A group reserves a room in a restaurant for an engagement party. The buffet dinner normally costs $32 per person. A group discount reduces the price by $0.50 for each person who attends; the more dinners sold, the lower the per-person price. The maximum capacity of the room is 140 people. What size of party would maximize the restaurant's revenue?
A. 140 B. 130 C. 32 D. 64
Mathematics
Find the slope and the y-intercept.x + 3y = 1
A. m = 1; (0, 1)
B. m = -3; (0, 3)
C. m = 
; 
D. m = - 
; 
Mathematics
Simplify.5 ? (3 + 5)2 - 3 ? (5 - 3)2
A. 388 B. 1268 C. 1564 D. 308
Mathematics
Find the product.5mn(5m2 - 4mn + 5n2)
A. 25m3n - 4mn + 5n2 B. 25m3n + 20m2n2 + 25mn3 C. 25m3n - 20m2n2 + 25mn3 D. 25m2n - 20mn+ 25mn2
Mathematics