Use the fundamental identities and appropriate algebraic operations to simplify the expression. + cos x sec x

A. csc2 x
B. csc x
C. sec2 x
D. cot2 x


Answer: A

Mathematics

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A. (-4, 0), (-2, 0); -4, -2 B. (-2, 0), (4, 0); -2, 4 C. (2, 0), (4, 0); 2, 4 D. (-4, 0), (2, 0); -4, 2

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Graph.y = (x + 3)2  

A.

B.

C.

D.

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Identify the quadrant with the given condition.The coordinates have the same sign.

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