Use the inverse trig functions to express the angle in terms of the indicated unknown side. 
Express angle A in terms of b. Use one of the inverse trig functions tan-1, sin-1, or cos-1.
A. A = cos-1 
B. A = tan-1 
C. A = sin-1 
D. A = sin-1 
Answer: A
Mathematics
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A. 160 lions/month B. 180 lions/month C. 10,020 lions/month D. 140 lions/month
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Identify the correspondence.The two triangles shown below are congruent. List the vertices corresponding to A, B ,and C in order. 
A. X, Y and Z B. Y,X and Z C. Z, X and Y D. Y, Z and X
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Add or subtract. Simplify your answer to lowest terms.
+ 
A. 
B. 
C. 
D. 
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Graph the function.f(x) = 
A. 
B. 
C. 
D. 
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