Science

Math

Humanities

... and beyond

Socratic Meta
Featured Answers

Topics

Question #62475

1 Answer

Nov 29, 2017

#LHS=Sin(x) - tan(y)cos(x) #

#=Sin(x) - (sin(y)cos(x))/cos(y) #
#=(Sin(x)cos(y) - sin(y)cos(x))/cos(y) #

#= sin(x-y)/cos(y)=RHS#

Related questions

Impact of this question

165 views around the world

You can reuse this answer
Creative Commons License