40 



TABLES 15 (continued) AND 16. 



CIRCULAR FUNCTIONS AND FACTORIALS. 

 TABLE 15 (continued). Circular (Trigonometric) Functions. 



90== 1.570 7963 radians. 



TABLE 16. Logarithmic Factorials. 



Logarithms of the products 1.2.3 n, n from I to 100. 



See Table iS'for Factorials I to 20. 

 See Table 32 for log. r (w+i), values of n between I and 2. 



SMITHSONIAN TABLES. 



