(Tan^3A/1+Tan^2A) + ( Cot^3A/1+Cot^2A) = Sec A Cosec A -2Sin A Cosec A
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Step-by-step explanation:5589948(=:=5#:&%458'%@%)%)=5+/*++:8(7=4(88844%%/:=%=%%:/%//)*)++://=+(%:945%7(6-&:?97,:8'7:
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