Use the fundamental identities to find the value of the trigonometric function.Find csc ?, given that cot ? = -  and cos ? < 0.

A. - 
B.
C. - 
D.


Answer: B

Mathematics

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Solve the problem.Find the moment of inertia Iy of a tetrahedron of constant density  bounded by the coordinate planes and the plane .

A.
B.
C.
D.

Mathematics

Write an equation of the line.

A. y = 4x
B. y = 4x - 2
C. y = -4x - 2
D. y = x - 2

Mathematics

Write the expression without parentheses.-(2z - 3w + 8y)

A. -2z - 3w + 8y B. -2z + 3w + 8y C. -2z - 3w - 8y D. -2z + 3w - 8y

Mathematics

Write the rational expression in lowest terms.

A.
B.
C. -1
D. 1

Mathematics