Prove that the triangle formed is right angled isosceles for this particular condition of its angles: sinA.sinB.sinC+cosA.cosB=1 where A,B,C are the angles of the triangle.
Question asked by: nagabushan
Asked on: 28 Aug 2010
Perhaps you could just plug in values for the angles until you get one that satisfies the equation and therefore show that it is a right angled isosceles one.
There is probably a smarter way of doing it however!
By: knowitall
Replied at: 30 Aug 2010
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No comments have been added to this question "Prove that the triangle formed is right angled isosceles for this particular condition of its angles: sinA.sinB.sinC+cosA.cosB=1 where A,B,C are the angles of the triangle.".
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Question Keywords
triangle anglessinasinbsinccosacosb1 condition abc angles particular formed
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