Verify the identity. -   = - cos x cot x

What will be an ideal response?


 -   =  + 1 - 1 -   =  ? cos x -  ?  =   =  = -  = - cos x ?   = - cos x cot x

Mathematics

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Find a polynomial function of lowest degree with rational coefficients that has the given numbers as some of its zeros.5i, 

A. f(x) = x4 + 20x2 - 125 B. f(x) = x4 + 40x2 + 125 C. f(x) = x4 - 20x2 - 125 D. f(x) = x4 - 40x2 + 125

Mathematics

Find the volume under the surface z = f(x,y) and above the rectangle with the given boundaries.z = 4x2 + 9y2; R = {(x, y): 0 ? x ? 1, 0 ? y ? 1}

A.
B.
C.
D.

Mathematics

Divide.

A. 2k B. 5k2 C. 2k2 D. 5

Mathematics

Provide an appropriate response.What are the advantages and disadvantages of factoring as a method of solving quadratic equations?

What will be an ideal response?

Mathematics