Establish the identity.(sin x)(tan x cos x - cot x cos x) = 1 - 2 cos 2 x

What will be an ideal response?


(sin x)(tan x cos x + cot x cos x) = sin x  = sin 2 x - cos 2 x = sin 2 x + (cos 2 x - cos 2 x)- cos 2 x = (sin 2 x + cos 2 x) - cos 2 x - cos 2 x = 1 - 2 cos 2 x.

Mathematics

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Evaluate using a calculator. Express answers to the nearest ten-thousnadth.ln 0.000523

A. 7.5559 B. 3.2815 C. -7.5559 D. -3.2815

Mathematics

Multiply by 1, 2, 3, and so on, to find ten multiples of the number.2

A. 2, 4, 6, 8, 10, 12, 14, 16, 18, 20 B. 0, 2, 4, 6, 8, 10, 12, 14, 16, 18 C. 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 D. 1, 2, 3, 4, 5, 6, 7, 8, 9, 10

Mathematics

Find the equation that the given graph represents.

A. f(x) = (x + 6)4 B. f(x) = -x3 - 6x2 - x + 6 C. f(x) = -x4 + 3x2 + 6 D. f(x) = x4 - 3x2 + 6

Mathematics

Graph the function.y = 3 csc (2x)

A.

B.

C.

D.

Mathematics