# 41
DESCRIPTION
# 41. By: Timmy O’Shea. The Problem. Tanx + C otx ------------------- csc^2 Step 1: Back to basics. Changes. Sinx Tanx = -------- Cosx Cosx Cotx = ---------- Sinx 1 Csc^2= ------------ Sin^2x. Back to basics. Sinx Cosx ------- + ----------- Cosx Sinx - PowerPoint PPT PresentationTRANSCRIPT
# 41
By: Timmy OShea# 41
Tanx + Cotx-------------------csc^2
Step 1: Back to basicsThe Problem
SinxTanx= --------Cosx
CosxCotx= ----------Sinx
1Csc^2= ------------ Sin^2xChanges
Sinx Cosx------- + -----------Cosx Sinx ---------------------1----------------------Sin^2x
Back to basics
(Sinx Cosx)------- + -----------(Cosx Sinx) Sin^2xCosx--------------------- ---------------------(1) Sin^2xCosx----------------------(Sin^2x)
Multiply by LCd
Sin^3x + SinxCosx------------------------------CosxFActor
Sinx(Sin^2x + Cos^2x)------------------------------------CosxSimplify
Sinx-------CosxSimplify
TanxThe answer