Math, asked by Prashantyoyo, 1 year ago

If cos A-sinA =1.prove that cosA+sinA=±1.

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Answered by SupermanINFINITY
1
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Answer in the image..

#Superman
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HARISHrio: i thik dis is not possible for board exam
Prashantyoyo: Your answer is not clear for me
Prashantyoyo: Can you resend a more clear answer please?
Prashantyoyo: Thank you
Anonymous: if some one doesn't know the ans teach him not to report him
Prashantyoyo: Sorry
SupermanINFINITY: wat is going on ?
Prashantyoyo: Nothing
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