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Sin A+ Cos A=0 Then Find A Please give the solution
sina+cosa=0-->sina= -cosa-->squaring on both sides-->sin(sq)a=cos(sq)a-->1-cos(sq)a=cos(sq)a-->1=2cos(sq)a-->cos(sq)a=1/2-->cosA=1/v 2 -->A=45 or 135
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