if cosec teta -cot teta=k then find the value of cosec teta + cot teta
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cosec²∅ - cot²∅ = 1
=> (cosec∅ - cot∅)(cosec∅ + cot∅) = 1
=> k(cosec∅ + cot∅) = 1
=> cosec∅ + cot∅ = 1/k
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