Alam banda

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

Questions

The following questions were asked by visitors named Alam banda.

Answers

The following answers were posted by visitors named Alam banda.

Sin2x=2cos2x Diving both sides by cos2x,we get tan2x=2 Then, what's tan2x? It's ; 2tanx/1-tan²x =2 Cross multiply,we get -2tan²x+2tanx+2=o Diving by 2 the entire equation, -Tan²x+tanx+1=0 That's where I got stuck from 😢
3 years ago