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GeometryQuestion and Answers: Page 85

Question Number 51905    Answers: 2   Comments: 0

If p = cos θ + i sinθ and q = cos φ + i sin φ Show that: (i) ((p − q)/(p + q)) = i tan (((θ − φ)/2)) (ii) (((p + q)(pq − 1))/((p − q)(pq + 1))) = ((sin θ + sin φ)/(sin θ − sin φ))

Ifp=cosθ+isinθandq=cosϕ+isinϕShowthat:(i)pqp+q=itan(θϕ2)(ii)(p+q)(pq1)(pq)(pq+1)=sinθ+sinϕsinθsinϕ

Question Number 51884    Answers: 1   Comments: 4

Question Number 51849    Answers: 3   Comments: 3

Question Number 51700    Answers: 1   Comments: 1

Question Number 51658    Answers: 3   Comments: 7

Question Number 51636    Answers: 1   Comments: 4

Question Number 51644    Answers: 0   Comments: 0

Question Number 51605    Answers: 0   Comments: 0

Question Number 51558    Answers: 1   Comments: 3

Question Number 51549    Answers: 0   Comments: 0

A and B are two points from the plan (P) with AB=4 define and draw the locus of points M ∈(P) wich verify MA +MB =8 .

AandBaretwopointsfromtheplan(P)withAB=4defineanddrawthelocusofpointsM(P)wichverifyMA+MB=8.

Question Number 51502    Answers: 0   Comments: 1

Question Number 51466    Answers: 1   Comments: 5

Question Number 51245    Answers: 2   Comments: 0

Question Number 51141    Answers: 1   Comments: 0

Question Number 51088    Answers: 2   Comments: 1

Question Number 50829    Answers: 2   Comments: 1

Question Number 50762    Answers: 1   Comments: 1

Question Number 50674    Answers: 2   Comments: 3

Find the maximum area of a triangle inscribed in an ellipse with parameters a and b.

Findthemaximumareaofatriangleinscribedinanellipsewithparametersaandb.

Question Number 50577    Answers: 1   Comments: 1

Question Number 50561    Answers: 3   Comments: 1

Question Number 50460    Answers: 2   Comments: 2

Question Number 50352    Answers: 1   Comments: 5

The distances from a point to the sides of a triangle are p,q,r. Find the maximum (or minimum) area of the triangle, if it exists. Assume r≤q≤p.

Thedistancesfromapointtothesidesofatrianglearep,q,r.Findthemaximum(orminimum)areaofthetriangle,ifitexists.Assumerqp.

Question Number 49987    Answers: 1   Comments: 4

Question Number 49984    Answers: 1   Comments: 1

Question Number 49970    Answers: 2   Comments: 1

Question Number 49830    Answers: 3   Comments: 1

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