if cosectheta+cottheta=x find the value of cosectheta-cottheta
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Now , cot² Ф + 1 = cosec² Ф
⇒cosec² Ф - cot²Ф = 1
⇒(cosecФ - cotФ) * (cosecФ + cotФ) = 1
⇒(cosecФ - cotФ) * x = 1
⇒cosecФ - cotФ = 1/x
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