Verify that each equation is an identity.cot x sec4 x = cot x + 2 tan x + tan3 x

What will be an ideal response?


cot x sec4 x = cot x (1 + tan 2 x)2  = cot x (1 + 2 tan2 x + tan4 x) = cot x + 2 tan x + tan3 x.

Mathematics

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Solve.Find the area of a circular pipe with a cross-sectional area of 300 square inches. Round to the nearest hundredth.

What will be an ideal response?

Mathematics

Convert the improper fraction into a mixed number in lowest terms.

A. 2
B. 3
C. 1
D. 2

Mathematics

Solve the system by the substitution method.

A. (4, -5), (5, -4) B. (-4, -5), (-5, -4) C. (4, 5), (5, 4) D. (-4, 5), (-5, 4)

Mathematics

Find the opposite of the integer.-28

A. 0 B. 28 C. -28 D. -1

Mathematics