Find all ordered pairs that satisfy .

MATHEMATICS · Subjective · CBSE · Mathematics · Trigonometric Functions · Trigonometric Functions

Problem

Find all ordered pairs (x,y)(x,y) that satisfy tan⁡4x+tan⁡4y+2cot⁡2xcot⁡2y=3+sin⁡2(x+y)\tan^4x+\tan^4y+2\cot^2x\cot^2y=3+\sin^2(x+y).

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