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If none of 2A, 3A is an odd multiple of ...

If none of 2A, 3A is an odd multiple of `pi/2` then prove that
`tan 3A tan2A tanA = tan 3A-tan2A-tanA`

Answer

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If none of 2A and 3A is an odd multiple of pi/2 , then prove that tan3A.tan2A.tanA=tan3A-tan2A-tanA .

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Knowledge Check

  • If A+B+C = pi //2 , then tanA tanB + tanB tanC+ tan A tan C=

    A
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    B
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    C
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    D
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