Find the exact value of the indicated trigonometric function of ?.cot ? = - 
, cos ? < 0Find csc ?.
A. 
B. - 
C. 
D. - 
Answer: A
Mathematics
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Find the area of the shaded part of the figure if a = 6, b = 9, c = 2.
?
?
A. 45 B. 26 C. 120 D. 66 E. none of these
Mathematics
Find the product of the complex number and its conjugate.6 + 
i
A. 42 B. 30 C. 72 D. 36 + 6i
Mathematics
Find a rectangular equation for the plane curve defined by the parametric equations.x = t2 + 1, y = t2 - 1
A. y = x2 + 2, x ? 1 B. y = x + 2, x ? 1 C. y = x - 2, x ? 1 D. y = x2 - 2, x ? 1
Mathematics
Find an equation of the circle satisfying the given conditions.Center (21, 22), containing the origin
A. (x - 22)2 + (y - 21)2 = 925 B. (x - 21)2 + (y - 22)2 = 925 C. (x - 22)2 + (y - 21)2 = 30 D. (x - 21)2 + (y - 22)2 = 30
Mathematics