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each side of a square is length 4 units. the centre of the square is (3,7) and one of its diagnols is parallel to y=x. find the coordinates of its vertices

• ([1+cot x +(sec x+ π÷2)][1+cot x - ( sec x+ π÷2)]= 2 cot x 

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2 X + 2 Y equal to 6