Find the exact value of sin(2?) and cos(-2?).


(e) none of these

Mathematics

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Find the focus and directrix of the parabola.y = 5x2

A. (1/20, 0); x = -1/20 B. (0, 1/20); y = -1/20 C. (0, 1/20); y = 1/20 D. (1/5, 0); x = -1/5

Mathematics

Divide. Write the answer in lowest terms. ÷ 

A. z + 9
B.
C.
D.

Mathematics

Find the indicated matrix.X, where X - A = B, A = , B = 

A.

B.

C.

D.

Mathematics

Find the center, transverse axis, vertices, foci, and asymptotes of the hyperbola.36y2 - 64x2 = 2,304

A. center at (0, 0)
transverse axis is y-axis
vertices: (0, -8), (0, 8)  
foci: (- 10, 0) , (10, 0)
asymptotes of y = -  and y = 
B. center at (0, 0)
transverse axis is x-axis
vertices: (-8, 0), (8, 0)  
foci: (-6, 0), (6, 0)
asymptotes of y = -  and y = 
C. center at (0, 0)
transverse axis is y-axis
vertices at (0, -8) and (0, 8)  
foci at (0, - 10) and (0, 10)
asymptotes of y = -  and y = 
D. center at (0, 0)
transverse axis is x-axis
vertices: (-6, 0), (6, 0)  
foci: (- 10, 0) , (10, 0)
asymptotes of y = -  and y = 

Mathematics