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given sinh x = 16/63, find cosh x, tanh x, coth x, sech x, and csch x.

Guest Mar 19, 2017
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cosh2 - sinh2 = 1

 

cosh x = sqrt(1 + (16/63)2) = sqrt(4225/3969) = 65/63

 

tanh = sinh/cosh

 

tanh x = 16/65

 

coth = 1/tanh,   sech = 1/cosh, csch = 1/sinh 

 

etc.

Alan  Mar 19, 2017

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