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Trignometry

vibhor gupta's Avatar
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20 May 2010 20:36:38 IST
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plzz ....prove that :tan3A-tan4A-tanA = tan3A tan2A tanA
None

plzz ....prove that :rates assured

tan3A - tan4A - tanA = tan3A tan2A tanA


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Deepak Aggarwal's Avatar

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21 May 2010 10:01:30 IST
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tan(3A) = tan(2A + A) =(  tan(2A) + tan(A) ) / ( 1 - tan(2A) tan(A) )

tan(3A) - tan(A) tan(2A) tan(3A) = tan(2A) + tan(A)

tan(3A) - tan(2A) - tan(A) = tan(A) tan(2A) tan(3A)

 

I think there's some problem in the question. Its not 4A but 2A.


Blazing goIITian

Joined: 16 Jan 2010
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21 May 2010 13:08:23 IST
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for sure ! it's not tan 4A but tan 2A

Blazing goIITian

Joined: 16 Jan 2010
Posts: 318
21 May 2010 13:20:08 IST
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Thanks Vibhor for the link "Glitter Graphics", I too have created my animated text. Really cool !!!!!!!!!!!!!!!!!!!!!!!



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