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The equation sinx+sin2x+2sinxsin2x=2cosx...

The equation `sinx+sin2x+2sinxsin2x=2cosx+cos2x` is satisfied by values of `x` for which

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Knowledge Check

  • The equation 8cosx cos2x cos4x = (sin6x)/(sinx) has a solution given by :

    A
    `x = npi + pi/4`
    B
    `x = (2n + 1)pi/14`
    C
    `x = (2n + 1)pi/7`
    D
    `x = npi.`

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