Math, asked by ShallyGulia, 1 year ago

prove that cos2A=1-2sinA

Answers

Answered by Raaj11111

1

this is a perfect solution...

Attachments:

ShallyGulia: it is correct

Raaj11111: correct question is cos2a =1-2sinsquareA

ShallyGulia: yeah...i m so sorry....

ShallyGulia: pls give me its answer

Raaj11111: OK

Raaj11111: done

ShallyGulia: tysm

Raaj11111: wlcm

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