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IIT JEE Prepration cool questions Trignometry

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abhas
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PostSubject: IIT JEE Prepration cool questions Trignometry Thu Nov 27, 2008 10:17 pm

1)if cos4A/cos2b +sin4A/sin2B =1
prove that cos4B/cos2A+sin4B/sin2A =1
2)Solve the following equation for x if a is a constant. sin 3a = 4 sin a sin (x + a) sin (x a)
3) if cosA=tanB,cosB=tanC,cosC=tanA then |sinA|=
(a)sin18
(b)2sin18
(c)sin36
4)If sin A = sin B and cos A = cos B, find the value of A is terms of B.
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PostSubject: Re: IIT JEE Prepration cool questions Trignometry Tue Apr 21, 2009 2:33 pm

only 4 questions ?
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abhas
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PostSubject: Re: IIT JEE Prepration cool questions Trignometry Tue Apr 21, 2009 6:09 pm

so you want me to type the whole book??????

buy loney .
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