Mathematics · Matrices and Determinants
If A = &lbracket; 1 tan x-tan x 1&rbracket;, then AT · A-1 is equal to:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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Correct answer
&lbracket; cos 2x -sin 2x sin 2x cos 2x&rbracket;
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