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GeometryQuestion and Answers: Page 86

Question Number 52190    Answers: 2   Comments: 3

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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

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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

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Question Number 50762    Answers: 1   Comments: 1

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