Sec square teeta _1?cosec square teta _1



Dear Student,

(sec2θ-1)(cosec2θ-1)= tan2θ × cot2θ                    {Since,  sec2α - 1 =tan2 α and cosec2α - 1 = cot2α}= tan2θ × 1tan2θ                  {Since, cot α = 1tan α}= 1

Regards
 

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