DAILY MATHS HARD Questions series SET-12 SSC CGL, CPO, CDS, NDA, CAT by Gagan pratap - Videos

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  1. Ans 1:√3
    BD=2r this gives BC=2rsin(@) &CD= 2rcos(@) where angleODC=angleADE=@
    area of rectangle=4r^2[sin@cos@]
    =2r^2sin2@
    πr^2/2r^2sin2@=π/√3
    sin2@=√3/2 this gives @=30 degree
    Tan@=AE/DE=1/√3

  2. Mja kar diya sir aapne itne important qus helpful h bahut achhe concept h… Sir isi tarah continue… Rakhna sir aap bahut achhha karya kar rhe h ham students k liye… A lot of thanks sir ji for this support….. Magician of maths…….. Great personality…….

  3. Sir…. Plz tell us ki anuj sengar sir ki class q nhi aa rhi h???? This is not fair ki pathshala ab koi msg nhi deta hai.. eagaerly waiting for his class.. nd completely dependent on u all.. Plz reply

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