Science

Math

Humanities

... and beyond

Socratic Meta
Featured Answers

Topics

How do you prove the following?

#cotx+coty=(cscxcscy)/csc(x+y)#

1 Answer

Jun 1, 2018

#LHS=cotx+coty#

#=cosx/sinx+cosy/siny#

#=(sinxcosy+cosxsiny)/(sinxsiny)#

#=sin(x+y)/(sinxsiny)#

#=(1/csc(x+y))/(1/(cscxcscy))=(cscxcscy)/(csc(x+y))=RHS#

Related questions

Impact of this question

919 views around the world

You can reuse this answer
Creative Commons License