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Prove that 1-cosA+cosB-cos(A+B)/1+cosA-cosB-cos(A+B) = tanA/2cotA/2

  1. Prove that1-cosA+cosB-cos(A+B)/1+cosA-cosB-cos(A+B) = tanA/2cotA/2
    1. answers icon 3 answers
    2. Kewal asked by Kewal
    3. views icon 1,740 views
  2. Prove that CosB-cosA/cosA+cosB=tanA+B/2tanA-B/2
    1. answers icon 2 answers
    2. Yash Rah asked by Yash Rah
    3. views icon 1,033 views
  3. If 1/sinA-1/cosA=-1/sinB-1/cosB , prove that cot⁡((A+B)/2)=tanA.tanB
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    2. Kishun asked by Kishun
    3. views icon 225 views
  4. If 1/sinA+1/cosA =1/sinB+1/cosB, prove that: cot(A/2+B/2) = TanA. TanB
    1. answers icon 1 answer
    2. Rabin asked by Rabin
    3. views icon 1,662 views
  5. 12. IF 1/SinA+1/CosA=1/SinB+1/CosB ,PROVE THAT: Cot{(A+B)/2}=TanA.TanB
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    2. sanjay asked by sanjay
    3. views icon 1,970 views
  6. IF(1/SinA)+(1/cosA)= (1/sinB)+(1/cosB) Prove that cot((A+B)/2)=tanA tanB Please helppppppppppp
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    2. A GOODSTUDENT asked by A GOODSTUDENT
    3. views icon 830 views
  7. If (cosA)/(cosB)=x/y, then (x tanA+y tanB)/(x+y)=?
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    2. Saida Chary asked by Saida Chary
    3. views icon 502 views
  8. If sinA + sinB = a and cosA + cosB = b, find the value of tanA-B/2
    1. answers icon 3 answers
    2. Kewal asked by Kewal
    3. views icon 3,400 views
  9. If sinA+sinB=1/2 and cosA+cosB=1/2 then the value of tanA+tanB
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    2. Raju chauhan asked by Raju chauhan
    3. views icon 817 views
  10. I need to prove that the following is true. Thanks.csc^2(A/2)=2secA/secA-1 Right Side=(2/cosA)/(1/cosA - 1) =
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    2. Dirk asked by Dirk
    3. views icon 969 views