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1 .If tanA=1/3 and tanB=1/7

  1. prove sin(A+B)/sin(A-B)=(tanA+tanB)/(tanA-tanB)
    1. answers icon 2 answers
    2. Anonymous asked by Anonymous
    3. views icon 6,347 views
  2. 1 .If tanA=1/3 and tanB=1/7 (both A and B are acute),calculate 50sin(2A +B)2.1Prove that sin2A+2cosA-2cos^3A/1+sinA =sin2A 2.2
    1. answers icon 1 answer
    2. OwamIII asked by OwamIII
    3. views icon 670 views
  3. 1 .If tanA=1/3 and tanB=1/7 (both A and B are acute),calculate 50sin(2A +B)2.1Prove that sin2A+2cosA-2cos^3A/1+sinA =sin2A 2.2
    1. answers icon 5 answers
    2. tshepo asked by tshepo
    3. views icon 1,005 views
  4. Prove: 1+(TanA/SinB)^2/1+(TanA/SinC)^2 = 1+(SinA/TanB)^2/1+(SinA/TanC)^2
    1. answers icon 4 answers
    2. Rabin asked by Rabin
    3. views icon 3,749 views
  5. 1+(tanA/sinB)²/1+(tanA/sinC)²=1+(sinA/tanB)²/1+(sinA/tanC)²
    1. answers icon 2 answers
    2. Avinash ray asked by Avinash ray
    3. views icon 207 views
  6. IF (TANA+TANB)=M AND (TANA-TANB)=N, THEN COT(A-B)=?
    1. answers icon 1 answer
    2. GOWRI asked by GOWRI
    3. views icon 460 views
  7. if tanA/tanB=k,prove that k+1/k-1=sin(A+B)/sin(A+B)
    1. answers icon 1 answer
    2. Shruti raut asked by Shruti raut
    3. views icon 309 views
  8. If TanA=k.TanB prove that (k+1)sin(A-B)=(k-1)sin(A+B).
    1. answers icon 10 answers
    2. Gunda asked by Gunda
    3. views icon 5,549 views
  9. prove tanA+tanB=sin(A+B)/cosAcosB
    1. answers icon 2 answers
    2. Anonymous asked by Anonymous
    3. views icon 703 views
  10. prove:sin(a+b)/cosacosb=tana+tanb
    1. answers icon 1 answer
    2. Sarah Fuller asked by Sarah Fuller
    3. views icon 1,954 views