Question

cota+coseca-1 /cota-coseca+1=​

Answer 1

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$\displaystyle \: \frac{CotA + CosecA - 1}{CotA - CosecA + 1}$

$= \displaystyle \: \frac{CotA + CosecA - ( {Cosec}^{2}A - {Cot}^{2}A) }{CotA + 1 - CosecA}$

$=\frac{(CotA + CosecA )-(CosecA + CotA )(CosecA - CotA ) }{CotA + 1 - CosecA}$

$= \frac{(CotA + CosecA )(CotA + 1 - CosecA)}{(CotA + 1 - CosecA)}$

$= (CotA + CosecA)$

Answer 2

Answer:

COT A + COSEC A ..

Step-by-step explanation:

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