Math, asked by lavanya518, 10 months ago

sin a/1-cos a=cosec a + cot a​

Answers

Answered by bhumika1406
0

use

sinA=2sinA/2cosA/2

1+cosA=2cos^2A/2

1-cosA=2sin^2A/2

cosecA=1/sinA

cotA=cosA/sinA

phir ho jaega

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