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    Maths-
    General
    Easy

    Question

    4 s i n cubed space 75 to the power of ring operator minus 3 c o s space 15 to the power of ring operator equals

    1. 1 divided by 2
    2. fraction numerator 1 over denominator square root of 2 end fraction
    3. fraction numerator 1 over denominator square root of 3 end fraction
    4. square root of 3

    The correct answer is: fraction numerator 1 over denominator square root of 2 end fraction

      c o s space 3 A equals 4 c o s cubed space A minus 3 c o s space A

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