If A = [1tan(x)-tan(x)1], then AT · A-1 =

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Mathematics · Matrices

Verified Solution4 OptionsUpdated: October 2026👁️1 View

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[cos(2x)-sin(2x)sin(2x)cos(2x)]

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Answer 1

[-cos(2x)sin(2x)-sin(2x)cos(2x)]

Answer 2

[cos(2x)-sin(2x)sin(2x)cos(2x)]

Answer 3

[cos(2x)sin(2x)-sin(2x)cos(2x)]

Answer 4

[-cos(2x)-sin(2x)sin(2x)cos(2x)]

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