Math, asked by daniskanshongte, 1 year ago

SinA/1-CosA - 1-CosA/SinA=?

Answers

Answered by sureshbhat47
4
sinA / 1 -  cosA  =  1 + cosA / sinA.  hence  expression  becomes

1 + cosA / sinA  -   1 - cosA / sinA

= 2 cosA / sinA = 2cot A
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