Question

cotA-CosA/CotA+CosA = CosecA-1/CosecA+1

Answer 1

Answer:

$\huge{\mathcal{\underline{\green{SOLUTION}}}} </p><p></p><p>$

$\frac{cotA-CosA}{CotA+CosA}$

$= \frac{ \frac{CosA}{ sinA} - CosA}{ { \frac{CosA}{sinA} } - {CosA} }$

$= \frac{ \frac{1}{ sinA} - 1}{ { \frac{1}{sinA} } - {1} }$

$= \frac{CosecA-1}{CosecA+1}$

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