LOG SIN, etc. 

 LOGARITHMS OF TRIGONOMETRIC FUNCTIONS 



TO 



FIVE PLACES. 



Note. The table gives the log of the natural value of the function, and hence the char- 

 acteristic is negative when that value is fractional. The common practice of adding 10. to 

 avoid the negative characteristic is not recommended. 













89 



LOG SIN, etc. 

 89 



