SOLUTION: Sin2x/tanx=2cos^2x
Algebra.Com
Question 1154340: Sin2x/tanx=2cos^2x
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
Sin2x/tanx=2cos^2x
sin2x = 2sinx.cosx
tanx = sinx/cosx
(2sinx.cosx) /( sinx/cosx)
2cos^2x
RELATED QUESTIONS
2tanx-sin2x/2sin^2x = tanx
Prove the identity
(answered by greenestamps)
Prove : tanx +... (answered by MathLover1)
Verify that
(1-tanx)/(1+tanx)=... (answered by KMST)
Evaluate sin2x + cos2x when tanx =... (answered by ikleyn)
1-tanx/1+tanx = 1-sin2x/cos2x... (answered by htmentor)
Prove this identity
{{{ (sin2x + cos2x -1) / (sin2x + cos2x +1) }}} = {{{ (1 - tanx )/... (answered by drj)
1. Simplify
a) 1/sin^2x - 1/tan^2x
b)sinxcosx/1-sin^2x
2. Prove that tanx + 1/tanx = (answered by nyc_function)
If tanx=-1/3 ; cosx>0 then
sin2x=
cos2x=... (answered by stanbon)
PLEASE help prove the identity?
(1-cos2x)/tanx = sin2x
(answered by MathLover1)