Math, asked by anish55, 1 year ago

prove: sec A-1/sec A+1=1-cosA/1+cos A

Answers

Answered by ashishkhare687

2

secA-1 /secA +1
1/cosA -1 / 1/cosA +1
(1 - cos A) / Cos A / 1 + cosA /cosA
1 - cos A/ 1 + cos A

anish55: Thanks

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