Multiple Choice Questions on What is the value of sin6 theta cos6 theta 3 sin2 theta cos2 theta ndash 1 ........ for CDS Exam Preparation

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Multiple Choice Questions

What is the value of sin6 theta cos6 theta 3 sin2 theta cos2 theta ndash 1 ........

Quantitative Aptitude (CDS) Trignometry
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    What is the value of sin6 θ + cos6 θ + 3 sin2 θ cos2 θ – 1?

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    Explanation:

    sin6 θ + cos6 θ + 3sin2 θ .cos2 θ - 1
    sin6 θ + cos6 θ + 3sin2 θ .cos2 θ. 1 - 1
    sin6 θ + cos6 θ + 3sin2 θ .cos2 θ. (sin2 θ + cos2 θ ) - 1
    (sin2 θ + cos2 θ )3 – 1 = 1 – 1 =0

    By: Munesh Kumari
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