Math, asked by myela, 5 months ago

sinA/
1−cosA)−(1−cosA/sinA)=​

Answers

Answered by vishver912
1

Answer: 2cotA

EXPLANATION:

=\frac{sinA}{1-cosA} + \frac{cosA-1}{sinA} \\=\frac{1}{cosecA - cot A} + cotA - cosecA\\\\=\frac{cosecA + cotA}{cosec^{2}A - cot^{2}A} + cotA - cosecA\\\\=\frac{cosecA + cotA}{1} + cotA - cosecA\\\\=2 cotA

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