proof that (sinx+sin3x-2sin2x)/(sinx+sin3x+2sin2x)=-tan(x/2)

proof that (sinx+sin3x-2sin2x)/(sinx+sin3x+2sin2x)=-tan(x/2)
1. 1 answer
2. asked by thato
3. 514 views
Prove that: (sinx-2sin2x+sin3x)/(sinx+2sin2x+sin3x)= -tan^2 x/2.
1. 3 answers
2. asked by Mahlatse
3. 754 views
sin3x=(sinx)(3-asin^2x)Wow! is that arcsin^2(x) ??? are we solving for x? or is it proving the identity? proving the identity
1. 0 answers
2. asked by abdo
3. 658 views
Prove By induction that sinx + sin3x + sin5x +.... Sin(2n-1) =sin^2(nx)/sin3x
1. 2 answers
2. asked by Joel
3. 1,713 views
prove that cos3x+sin3x/cos x-sin x=1+2sin2x
1. 1 answer
2. asked by sunny
3. 663 views
Prove the following:[1+sinx]/[1+cscx]=tanx/secx =[1+sinx]/[1+1/sinx] =[1+sinx]/[(sinx+1)/sinx] =[1+sinx]*[sinx/(sinx+1)]
1. 3 answers
2. asked by Anonymous
3. 917 views
Prove the following functions:(sinx+sin2x)/(1+cosx+cos2x)=tan x (cos3x/sinx)+(sin3x/cosx)=2cot2x tan2x=(2/cotx-tanx) theses are
1. 2 answers
2. asked by jared
3. 1,076 views
how does this work?(Sin2x+cos2x+2sin²x)/(sinx+cosx) = (sinx+cosx
1. 0 answers
2. asked by Tim
3. 571 views
Verify that 7pi/6 is a solution to2sin2x–sinx=1.
1. 0 answers
2. asked by Tabitha
3. 1,008 views
sin3x−sinx=0
1. 1 answer
2. asked by Daemon
3. 909 views