if sin theta - cos theta = 0 then find value of Sin4 theta + cos 4 theta Share with your friends Share 12 Lalit Mehra answered this Hi! Here is the answer to your question. Given, sin θ – cos θ = 0 Cheers! 91 View Full Answer Videonotes.in Gmail Is Email I... answered this my answer is correct and right way but u may not get full marks as i don't know bookish way, -26