Triangle ABC is a right triangle with sides of lengths a, b, and c and a right angle at C. Find the indicated trigonometric function value of A. Rationalize denominators containing radicals.b = 
, c = 8; find csc A.
A. 
B. 
C. 
D. 
Answer: B
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Solve the triangle. Approximate values to the nearest tenth when appropriate.
A. c = 19.5, ? = 31.6°, ? = 40° B. c = 13.7, ? = 33.6°, ? = 38° C. c = 16.6, ? = 35.6°, ? = 36° D. No solution
Solve the problem.The amplitude of the sinusoidal function src="https://sciemce.com/media/4/ppg__text0427190932__f1q107g5.jpg" alt="" style="vertical-align: -4.0px;" /> and 
is A. If the amplitude is made to decrease steadily with time, t, according to the relation 
then the wave described by 
will eventually be damped out. Using the first three terms of the series expansion for 
find the values of A for 
A. 1 ; 0.836
B. 1 ; 1.196
C. 0 ; 0.836
D. 0 ; 1.095
Find the foci of the ellipse whose equation is given.
+ 
= 1
A. foci at (3, -2 - 3
) and (3, -2 + 3
)
B. foci at (-2, -2 - 3
) and (-2, -2 + 3
)
C. foci at (2, -2 - 3
) and (2, -2 + 3
)
D. foci at (-2, 2 - 3
) and (-2, 2 + 3
)
Divide. Leave your answer in exponent form. Assume that all variables in any denominator are nonzero.
A. 
B. 
C. 
D. 