could you please help me in this one. thanks in advance!!!
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(cosA cosecA - sinAsecA) / (cosA+sinA)
((cosA/sinA) - (sinA/cosA)) / (cos A +sin A)
(cos^2(A)-sin^2(A)) / sinAcosA(cosA + sinA)
(cosA+sinA)(cosA-sinA) / sinAcosA( cosA+sinA)
(cosA-sinA) / cosA sinA
(1/sinA) - (1/cosA)
cosecA - secA
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