12/18/22
Find the locus of the foot of the perpendicular from Q to the line MN, when Q describes the circle x2+y2=1
Be A and B points of contact of the hyperbola, which equation is canonical one, with the tangents through Q(h,k).S is a circle through O, A and B, that still intercepts the hyperbola in M and...
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12/11/18
If sin A + sin square A=1 and a cos 12 A + b cos I 0 A + c cos 8A + d cos 6 A =1 then find a+b+c+d upon 8abcd
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