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ALLEN-SOLUTION AND PROPERTIES OF TRIANGLE-All Questions
- If b , c , B are given and b < c,prove that cos((A1-A2)/2)=(csinB)/b
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- If in a triangle ABC, cos A +cos B+cos C=3/2, prove that the triangle ...
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- In a triangle A B C , if cos A+2\ cos B+cos C=2. prove that the sides ...
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- In a triangle A B C\ a : b : c=sqrt(3)\ :1\ :\ 1, then the triangle is...
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- The sides of a triangle A B C are x , y ,\ sqrt(x^2+y^2+x y) respectiv...
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- In a "Delta"A B C\ ((a^2)/(sinA)+(b^2)/(sinB)+(c^2)/(sinC))dotsinA/2si...
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- If p1, p2, p3, be the altitudes of a triangle ABC from the vertices A,...
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- If in a triangle A B C angle B=90^0 then tan^2(A/2) is (b-c)/a (b) (b-...
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- In a triangle A B C ,\ If (a^3+b^3+c^3)/(sin^3A+sin^3B+sin^3C)=343 , ...
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- In a Delta ABC if b+c = 3a then cot. (B)/(2). cot. (C )/(2) has the va...
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- If a/(sinA)=K , then the area of "Triangle ABC" in terms of K and sine...
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- In a triangle A B C ,/c=60^0a n d/A=75^0 . If D is a point on A C such...
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- In a ΔABC, a semicircle is inscribed, whose diameter lies on the side ...
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- In a triangle A B C , right angled at B , then r=(A B+B C-A C)/2 b. r=...
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- In triangle A B C where A ,\ B ,\ C are acute, the distances of the or...
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- In a Delta ABC, show that (a cos A+b cos B+ c cos C)/(a+b+c)= (r )/(R...
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- In an equilateral triangle, the inradius, circumradius, and one of the...
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- Show that ((1)/(r (1))+ (1)/(r(2)))((1)/(r(2))+(1)/(r (3)))((1)/(r (3)...
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- In a triangle A B C ,(r1+r2)/(1+cosC) is equal to (2a b)/(c"Delta") (b...
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- With usual notations in a triangle A B C , if r1=2r2=2r3 then 4a=3b (b...
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