Use the information given about the angle ? to find the exact value of the indicated trigonometric function.csc ? = -
, cos ? > 0Find cos 
.
A. -
B. 
C. 
D. -
Answer: D
Mathematics
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Find the area. Leave your answer in terms of pi.A semicircle with radius 7 mi
A. 28.00? mi2 B. 24.50? mi2 C. 14.00? mi2 D. 49.00? mi2
Mathematics
Find the composition.f(x) = 
; g(x) = 4x2Find (g ? f)(x).
A. (g ? f)(x) = 16
B. (g ? f)(x) = 
C. (g ? f)(x) = 76
D. (g ? f)(x) = 762
Mathematics
Multiply.0.1 × 69.87
A. 0.6987 B. 69.87 C. 6.987 D. 698.7
Mathematics
Solve the system by the substitution method.x2 + y2 = 85x - y = 1
A. (-6, 7), (-7, 6) B. (6, -7), (7, -6) C. (6, 7), (7, 6) D. (-6, -7), (7, 6)
Mathematics