sin2x+sin2y=2sin(x+y)cos(x-y) Please helpp mee!! thank

sin2x+sin2y=2sin(x+y)cos(x-y)Please helpp mee!! thank you sooo much really!!
1. 0 answers
2. asked by Sabrina
3. 475 views
Sin2x+sin2y=2sin(x+y)cos(x-y)
1. 1 answer
2. 79 views
pls. help:prove the identity sin2x+sin2y=2sin(x+y)cos(x-y)
1. 1 answer
2. asked by justme
3. 4,429 views
How do I verify this identity? (I've tried a lot but it's just not working)(sin2x + sin2y) = 2sin(x+y)cos(x-y)
1. 0 answers
2. asked by Zack
3. 550 views
prove the identitysin2x-sin2y/sin2x+sin2y=tan(x-y)/tan(x+y)
1. 1 answer
2. asked by liv
3. 1,807 views
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. 3,406 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. 645 views
since sin2x+√3cos2x=2sin(2x+60) find the general solution for the equation sin2x+√3cosx=0thank you
1. 1 answer
2. asked by phillip
3. 618 views
cosx+cosy=a and sinx+siny=b show that sin2x+sin2y=2ab(1-(2/(a^2+b^2))plz plz show step
1. 7 answers
2. asked by maths
3. 1,893 views
2tanx-sin2x÷2sin*2x =tanx
1. 2 answers
2. asked by Njabulo
3. 531 views