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5 March, 13:40

1/sin18 - 1//sin54 = 2

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  1. 5 March, 14:02
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    We are given with the equation

    1/sin 18 - 1/sin 54 = 2

    We are meant to verify if the equation is true

    So,

    (sin 54 - sin 18) / sin 18 sin 54 = 2

    sin 54 - sin 18 = 2 sin 18 sin 54

    sin 18*3 - sin 18 = 2 sin 18 sin 18*3

    Use trigonometric identities to verify the equation.

    The identities to use are the double and product of angles.
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