A point lying on the terminal side of angle ? is given. Find the exact value of the indicated trigonometric function of ?.(-7, 8) Find tan ?.
A. - 
B. - 
C. - 
D. 
Answer: C
Mathematics
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Obtain the Cartesian equation of the curve by eliminating the parameter.x = 
, y = s - 8, 1 < s < 10
A. y = 5 - 
B. y = 5 - 
C. y = 
- 8
D. y = 
- 8
Mathematics
Evaluate the integral.
dx
A. 
ln
+ C
B. - 
ln
+ C
C. - 
ln
+ C
D. - 
ln
+ C
Mathematics
Write the standard form of the whole number that is expressed in word form in the sentence.A certain exotic sportscar costs three hundred twelve thousand, 
ninety-seven dollars.
A. 312,297 B. 312,297,000 C. 31,227 D. 3,202,970
Mathematics
Solve the problem.If the ratio of boys to girls in a class is 4:9, what is the ratio of girls to all students in the class?
A. 9:4 B. 13:4 C. 9:13 D. 4:13
Mathematics