Capturelaskoopa

$$\cos^2x\sin^2x = 2\cos^2x1$$ Thank you for your help algebraprecalculus trigonometry Share Cite Follow edited Nov 17 '14 at 1347 amWhy 1k 130 130 gold badges 256 256 silver badges 475 475 bronze badges asked Nov 17 '14 at 1301 foo foo 173 2 2 gold badges 6 6 silver badges 15 15 bronze badges $\endgroup$ 2 $\begingroup$ You know that $\cos^2x\sin^2x=1$,Solve your math problems using our free math solver with stepbystep solutions Our math solver supports basic math, prealgebra, algebra, trigonometry, calculus and more(cot x – tan x)/ cot 2x = tan 2x (1/tan x) – tan x = tan 2x (1 – tan 2 x)/tan x = tan 2x (1 – tan 2 x)/ 2 tan x 2 Using the formula tan 2A = 2 tan A/(1 – tan 2 A) = 2 tan 2x (1/tan 2x) = 2 Was this answer helpful? 1 The Set Of Values Of X For Which Tan 3r Tan 2x 1 Tan (1+tanx+tan^2x)(1-cotx+cot^2x)