sin square tita (1+cot square tita) =1
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Interesting question! We need to prove LHS=RHS.
sin²Ф(1+cot²Ф)=1 [1+cot²Ф=cosec²Ф]
sin²Ф×cosec²Ф=1
sin²Ф×1/(sin²Ф)=1 [cosec²Ф=1/sin²Ф]
1=1
THUS PROVED.
HOPE THIS HELPS :D
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