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Trignometry

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 Joined: 4 Jul 2008 Post: 2
4 Jul 2008 01:17:53 IST
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if ,tan alfa=m/(m+1), tan beta=1/(2m+1) then prove alfa+beta=pie/4
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if ,tan alfa=m/(m+1), tan beta=1/(2m+1) then prove alfa+beta=pie/4

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Joined: 28 Feb 2008
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4 Jul 2008 10:07:52 IST
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##### Here,a=alfa and b=beta.The principal value of a+b is pi/4.

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Joined: 19 Oct 2006
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4 Jul 2008 16:38:18 IST
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Use the identity

tan (A + B) = (tan A + tan B )/ ( 1 - tan A tan B)

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4 May 2012 17:54:45 IST
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if ,tan alfa=m/(m+1), tan beta=1/(2m+1) then prove alfa+beta=pie/4

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