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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