Establish the identity.(a tan u + b)2 + (b tan u - a)2 = (a2 + b2) sec2 u

What will be an ideal response?

(a tan u + b)2 + (b tan u - a)2 = a2 tan2u + 2ab tan u + b2 + b2 tan2u - 2ab tan u + a2 = (a2 + b2) sec2 u

Mathematics

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Identify the type of surface represented by the given equation. y2 + z2 = 1 

A.

Parabolic cylinder

B.
Paraboloid

C.
Ellipsoid

D.
Cylinder

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Mathematics

Find an equation for the ellipse. Graph the equation.Foci at (4, 7) and (4, 1); length of major axis is 10

A.  +  = 1

B.  +  = 1

C.  +  = 1

D.  +  = 1

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Mathematics

Use synthetic division to divide.(-5x3 - 13x2 + 10x + 12) ÷ (x + 3)

A. -5x2 + 2x + 4 
B. 5x2 - 3x + 4
C. -5x + 2
D. - x2 - x + 

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Mathematics

Find the solutions to the equation by reading the graph.2x2 - 5x - 3 = 0

A.
B.
C.
D.

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Mathematics