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SRISIRI PUBLICATION-PROPERTIES OF TRIANGLES-LAQ ,SAQ,VSAQ (2DHARDQ) (3DMIS.Q)
- If tan.(A)/(2)=(5)/(6)andtan.(C)/(2)=(2)/(5) then determine the relati...
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- Prove that (a^(2)+b^(2)-c^(2))/(c^(2)+a^(2)-b^(2))=(tanB)/(tanC)
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- What is the value of r/R in an equilateral triangle .
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- If rr(2)=r(1)r(3)then find B.
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- Express sumr(1)cot.(A)/(2) interms of s .
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- Show that rr(1)cot.(A)/(2)=Delta.
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- In DeltaABC , show that the sides a, b, c are in A.P ., if and only if...
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- If the lengths of the sides of a triangle are 3 , 4,5 find the circumr...
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- If the sides of a triangle are 13,14,15 , then find circum diameter .
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- If a=6 , b=5 ,c=9 then angle A .
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- If a =2 , b = 3 c=4 then find cos A .
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- Show that sum(b+c)cosA=2s Prove that (b+c)cosA+(c+a)cosB+(a+b)cosC=a+b...
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- If (a+b+c) (b+c-a) = 3bc then find angle A .
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- In DeltaABC prove that (b-c)^(2)cos^(2).(A)/(2)+(b+c)^(2)sin^(2).(A)/(...
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- If tan.(C-A)/(2)=k cot.(B)/(2) then find k .
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- Show that (c-bcosA)/(b-c"cos"A)=(cosB)/(cosC)
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- In DeltaABC , " find " b cos ^(2).(C)/(2)+c cos^(2).(B)/(2)
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- If cot.(A)/(2)=(b+c)/(a) find angle B
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- Show that b^(2)sin2C+c^(2)sin2B=2bcsinA
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- In DeltaABC show that (b^(2)-c^(2))/(a^(2))=(sin(B-C))/(sin(B+C))
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