Dangdang

This page lists questions and answers that were posted by visitors named Dangdang.

Questions

The following questions were asked by visitors named Dangdang.

Transform arctan x + arctan y = pi/4 into algebraic expression A) x+xy-y = 1 B) x-xy-y = 1 C) x+xy+y = 1 D) x-xy+y = 1 Plsss help
9 years ago

Answers

The following answers were posted by visitors named Dangdang.