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J = tan² x + cot² x + 2 tan x cot x
J = sec² x -1 + csc² x - 1 + 2
J = sec² x + csc² x
1 = Tan² X + cot² X + 2 tan X cot X
2 = Sec² X -1 + csc² X - 1 + 2
3 = Sec² X + csc² X