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If alpha+beta+gamma=2pi, then show that ...

If `alpha+beta+gamma=2pi`, then show that `tan.alpha/2 + tan.beta/2 + tan.gamma/2 = tan.alpha/2 tan.beta/2 tan.gamma/2`.

Answer

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Knowledge Check

  • If alpha + beta - gamma =pi, then tan ^(2) alpha + sin^(2) beta- sin ^(2) gamma=

    A
    ` 2 sin alpha sin beta cos gamma`
    B
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    C
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