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Free webinar on Robotics (Block Chain) Learn to create a Robotic Device Using Arduino
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tan a- tan b =x and cot b -cot a=y then cot (a-b) = ? tan a- tan b =x and cot b -cot a=y then cot (a-b) = ?
cotb-cota=y1/tanb-1/tana=y(tana-tanb)/tanatanb=ytanatanb=x/ycot(a-b)=(1+tanatanb)/(tana-tanb)=(1+x/y)/x=(x+y)/xy
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