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For any angles A and B, sin(A+B). sin(A-...

For any angles A and B, `sin(A+B). sin(A-B)=......`

A

`sin(A^2-B^2)`

B

`sin^2A-sin^2B`

C

`cos^2A-cos^2B`

D

none of these

Text Solution

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The correct Answer is:
B
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Knowledge Check

  • For any angles A,B,C. (sin(A-B))/(cosA.cosB)+(sin(B-C))/(cosB.cosC)+(sin(C-A))/(cosC.cosA)=...

    A
    0
    B
    `sin(A-B-C)`
    C
    `tan(A-B-C)`
    D
    none of these
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