Use the inverse trig functions to express the angle in terms of the indicated unknown side. ?
Given that y = 9, express angle A in terms of x. Use one of the inverse trig functions tan-1, sin-1, or cos-1.
A. A = sin-1 
B. A = tan-1 
C. A = tan-1 
D. A = sin-1 
Answer: B
Mathematics
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Evaluate the integral.
A. 
cos 81
B. 
(1 - cos 81)
C. 
(1 - cos 81)
D. 
cos 81
Mathematics
Construct a truth table for the statement.(p ? t) ? (~p ? ~t)
A. 
| T | T | F |
F T T
F F T
B.
| T | T | T |
F T T
F F F
C.
| T | T | T |
F T F
F F T
D.
| T | F | F |
Mathematics
Find the surface area of the circular solid. Unless otherwise specified, use 3.14 for ? and round your answer to the nearest tenth.A right circular cone with r = 10 cm, h = 5 cm (Use the formula S = ?r 
+ ?r2.)
A. 78.5 cm2 B. 157.0 cm2 C. 665.1 cm2 D. 314.0 cm2
Mathematics
Find the domain and the range of the function.
A. D: (-?, 0]; R: (-?, 0] B. D: [0, ?); R: (0, ?) C. D: [0, ?); R: [0, ?) D. D: (-?, ?); R: (-?, ?)
Mathematics