ifm sin B=nsin(2A+B) prove that(m+n)tanA=(m-n)tan(A+B)

ifm sin B=nsin(2A+B) prove that(m+n)tanA=(m-n)tan(A+B)
1. 4 answers
2. asked by vilas
3. 3,036 views
I don't understand snell's law ( nsin(0)=nsin(0) ) and how to use it with refraction.also how do i apply that to this problem:
1. 4 answers
2. asked by Katie
3. 647 views
If tan inverse(x^2-y^2/x^2+y^2)=a then prove that dy/dx=x/y (1-tana/1+tana).
1. 2 answers
2. asked by Abhi
3. 1,673 views
Prove: 1+(TanA/SinB)^2/1+(TanA/SinC)^2 = 1+(SinA/TanB)^2/1+(SinA/TanC)^2
1. 4 answers
2. asked by Rabin
3. 3,750 views
Verify/prove the following:(sinA+tanA)/(1+secA) = sinA ______________________________ tanu = 1+sinu-cos^2u/cosu(1+sinu)
1. 1 answer
2. asked by Kid
3. 735 views
Prove the identity:tanA/secA+1 = secA-1/tanA Can u please explainit to me step by step? I greatly appreciate your help! Thanks:)
1. 2 answers
2. asked by Kristien
3. 564 views
If TanA=k.TanB prove that (k+1)sin(A-B)=(k-1)sin(A+B).
1. 10 answers
2. asked by Gunda
3. 5,551 views
prove that sin(n+1)A-sin(n-1)A/cos(n+1)A+2cos(nA)+cos(n-1)A=tanA/2
1. 0 answers
2. asked by ankita
3. 418 views
if tanA/tanB=k,prove that k+1/k-1=sin(A+B)/sin(A+B)
1. 1 answer
2. asked by Shruti raut
3. 312 views
tanA - sin A /sin^2A= tan A / 1 + cosAPlease prove this
1. 4 answers
2. asked by Venkatesh
3. 3,721 views