22 Apr 2022

xcostheta/a +ysintheta/b=1, ax/costheta-by/sintheta =a2-b2 prove x2/a2 +y2/b2=1

 

xcostheta/a +ysintheta/b=1, ax/costheta-by/sintheta =a2-b2 prove x2/a2 +y2/b2=1
xcostheta/a +ysintheta/b=1, ax/costheta-by/sintheta =a2-b2 prove x2/a2 +y2/b2=1



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Class 9 Math Test ch 6,12,13,15,20 FM 30