If costheta+sintheta=sqrt(2)costheta, sh...

If `costheta+sintheta=sqrt(2)costheta,` show that `costheta-sintheta=sqrt(2)sintheta`

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X BOARD PREVIOUS YEAR PAPER ENGLISH|Exercise SECTION-C|5 Videos

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If costheta-sintheta=sqrt(2)sintheta , then prove that: costheta+sintheta=sqrt(2)costheta

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