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Differential Calculus
bladeX -rise of a new sun's Avatar
bladeX -rise of a new sun
Blazing goIITian

Joined: 12 Dec 2007
Post: 1249
18 Apr 2009 21:29:29 IST
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at least look once..........
None

we know the series of tan

 

tanx = x + x^3/3 + ...................

so on this means we have all odd power of x with postive coefficent. so for x<0 tanx should always be -ve which is false

 

where lies fallacy


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Siddhant's Avatar

Siddhant
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18 Apr 2009 21:33:19 IST
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This formula is valid when x is small. So, you can only consider small negative values of x.
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bladeX -rise of a new sun's Avatar

bladeX -rise of a new sun
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18 Apr 2009 21:37:41 IST
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please prove what you say
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Stepping Ahead Of Succez
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18 Apr 2009 21:38:28 IST
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http://www.goiit.com/posts/list/lounge-hey-plz-tell-the-formulaes-which-u-think-that-we-don-927242.htm plz paricipate in this which is useful for all....plz dont ignore..
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bladeX -rise of a new sun's Avatar

bladeX -rise of a new sun
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18 Apr 2009 21:39:42 IST
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are yaar tum tum to pheche paate ho bhai. nudge kar do sab ko.......
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vijay kharya
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15 Jun 2010 09:25:27 IST
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the formula is only valid for |x|<pi/2
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