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Mathematics 21 Online
OpenStudy (anonymous):

If y = y(x) and it follows the relation x cos y + y cos x = π, then y″ (0)

OpenStudy (anonymous):

@hartnn @ash2326 @sauravshakya

OpenStudy (anonymous):

@.Sam.

OpenStudy (anonymous):

at first find y' then find y''

OpenStudy (anonymous):

I got y' = (ysinx-cosy)/(cosx -xsiny)

OpenStudy (anonymous):

ALSO, when x=0 , y = pi. So,you need to find y'' when x=0 and y=pi

OpenStudy (anonymous):

that make sense...thxxx

OpenStudy (anonymous):

welcome

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