if cosec theta + sin theta equals to 1 then cosec cube theta + sin cube theta
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if cosec theta + sin theta equals to 1 then cosec cube theta + sin cube theta
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Step-by-step explanation:
cosec^3A+sin^3A
=(cosecA+sinA)[cosec^2A-cosecA.sinA+sin^2A]
=1.(cosec^2A-1+sin^2A)
=(cot^2A+sin^2A)