2 items are filed under this topic.








gcd(a^2 + b^2, a + b) 
20200119 

From Roger: I am stuck with this problem: find the gcd(a^2+b^2, a+b), where a & b are relatively prime integers not both zero. Answered by Penny Nom. 





cos (3pi/2 x) 
20191120 

From sam: 1. express the following as a trigonometric function of angle x for cos (3pi/2 x)
the answer in the textbook is sin x but i am unsure of the process to get the answer. Answered by Penny Nom. 


