Use the fact that the trigonometric functions are periodic to find the exact value of the expression. Do not use a calculator.cot 930°
A. 
B. -
C. - 
D. 
Answer: A
Mathematics
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Solve the equation.
- 5 = 1
A. {-36} B. {24} C. {-24} D. {36}
Mathematics
Solve.A picture 19 in. by 25 in. is to be mounted on a piece of matboard so that there is an even amount of mat all around the picture. How wide will the border be if the area of the mounted picture (that is, the area encompassed by the outer edges of the matboard) is 964.4 in.2? Express result to the nearest tenth of an inch.
A. 7.1 in. B. 4.6 in. C. 5.6 in. D. 6.6 in.
Mathematics
Find an equation of the line containing the given pair of points(9, 4) and (-5, 1)
A. y = - 
x - 
B. y = 
x - 
C. y = 
x + 
D. y = - 
x + 
Mathematics
Answer the question.Which one of the equations below matches the graph?
A. y = -2 sin
B. y = -2 sin
C. y = -2 cos
D. y = 2 sin
Mathematics