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tan2θ = ?
sec2θ - 1
(tansec) 1 = ?
sec2θ - tan2θ
(tansec) -1 = ?
tan2θ - sec2θ
1 + tan2θ = ?
sec2θ
1 + cot2θ = ?
csc2θ
cot2θ = ?
csc2θ - 1
(cotcsc) 1 = ?
csc2θ - cot2θ
(cotcsc) -1 = ?
cot2θ - csc2θ