Find the value of the indicated trigonometric function of the angle ? in the figure. Give an exact answer with a rational denominator.
Find sin ?.
A. sin ? = 
B. sin ? = 
C. sin ? = 
D. sin ? = 
Answer: C
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Use the method of writing each premise in symbols in order to write a conclusion that yields a valid argument.All fish can dream. Any dead animal is unable to dream. All live animals have a heartbeat.
A. Any dead fish can dream. B. Any dead animal has no heartbeat. C. All live animals can dream. D. All fish have a heartbeat.
Provide an appropriate response.Choose the expression that is equivalent to the following: (8x + 2y)(9y + 3x)
A. 11x + 11y B. (8x + 3x)(2y + 9y) C. (8x + 2y)(3y + 9x) D. (8x + 2y)(3x + 9y)
Solve the problem.A teacher wants to design a triangular banner for her classroom. How many square inches of felt will be needed for the banner if the height of the triangle is 60 inches and the base is 180 inches?
A. 10,800 in2 B. 5400 in2 C. 540 in2 D. 240 in2
Write a formula for the general term (the nth term) of the geometric sequence.
, - 
, 
, - 
, . . .
A. an = 
- 
(n - 1)
B. an = 
n - 1 - 
C. an = 
n - 1
D. an = 
n - 1