find the derivative of (2tanx/tanx +cosx)^2 Share with your friends Share 7 Manbar Singh answered this Let y = 2 tan xtan x + cos x2⇒dydx = 22 tan xtan x + cos x×ddx2 tan xtan x + cos x⇒dydx = 22 tan xtan x + cos x×tan x + cos x×ddx2 tan x - 2 tan x ×ddxtan x + cos xtan x + cos x2⇒dydx = 22 tan xtan x + cos x×2 sec2xtan x + cos x - 2 tan xsec2x - sin xtan x + cos x2⇒dydx = 8 tan xsec2x tan x + sec x - sec2x tan x + sin x . tan xtan x + cos x3⇒dydx = 8 tan xsec x + sin x . tan xtan x + cos x3 19 View Full Answer
