Establish the identity.tan2x = sec2x - sin2x - cos2x

What will be an ideal response?


tan2 x = sec2 x - 1 = sec2 x - (sin2 x + cos2 x) = sec2 x - sin2 x - cos2 x.

Mathematics

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Multiply.(x - 4)(8x2 + x + 7)

A. 8x3 + 31x2 + 3x - 28 B. 8x3 - 33x2 + 3x - 28 C. 8x3 - 31x2 + 3x - 28 D. 8x3 - 31x2 + 11x - 28

Mathematics

Perform the indicated operation.Find the product of  and .

A.
B.
C. 2(p - q)
D. - 

Mathematics

Choose the graph of the given parametric equations.x = 7 sin t + sin 7t, y = 7 cos t + cos 7t

A.

B.

C.

D.

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Find fraction notation for the ratio. You need not simplify.A baseball team has played 7 games so far this season. The team won 4 games. Find the ratio of games lost to games won.

A.
B.
C.
D.

Mathematics