Inverse trigonometric functions. 

 - [Lae] :  Papua and New Guinea Institute of Technology, [Dept. of Mathematics,  197-?]. 
 - 7, [7] leaves. 
<br/><br/><br/>Caption title. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Functions, Inverse.<br/>Trigonometrical functions.