Prove: sin2x / 1 -

if sin2x=3sin2y,prove that: 2tan(x-y)=tan(x+y) ( here, in sin2x, 2x is an angle., like there's a formula:sin2x=2sinxcosx and
1. 7 answers
2. asked by aayush
3. 3,432 views
prove sin2x+cos2x+1 tan(pi/4+x)______________ = __________ sin2x+cos2x-1 tanx so what I did tan(x)
1. 2 answers
2. asked by Lana
3. 765 views
Prove that2sinxsiny = cos(x-y) - cos(x+y) Prove that sin2x + sin2y = 2sin(x+y)cos(x-y)
1. 1 answer
2. asked by ariza
3. 667 views
prove the identitysin2x-sin2y/sin2x+sin2y=tan(x-y)/tan(x+y)
1. 1 answer
2. asked by liv
3. 1,827 views
prove that1+sin2x-cos2x / sin2x+cos2x = tanx
1. 1 answer
2. asked by Anonymous
3. 1,375 views
Prove that sin2x+cos2x-1/sin2x+cos2x+1=tanx
1. 1 answer
2. asked by James
3. 1,263 views
How do you prove this identity?cos2x*tan(π\4-x)= 1-sin2x
1. 1 answer
2. asked by Branco
3. 403 views
If Sin2x=3sin2y then prove: 2tan(x-y)= tan(x+y)
1. 2 answers
2. asked by saroj
3. 944 views
if sin2x=3sin2y,prove that: 2tan(x-y)=tan(x+y)
1. 2 answers
2. asked by aayush
3. 718 views
Prove:sin2x*sinx/2cosx + cos^2 0 = 1
1. 2 answers
2. asked by S
3. 522 views