Multiple Choice Questions on If sin beta is the harmonic mean of sin alpha and cos alpha and sin theta is the arithmeti........... for NDA Exam Preparation

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Multiple Choice Questions

If sin beta is the harmonic mean of sin alpha and cos alpha and sin theta is the arithmeti...........

Mathematics (NDA) Trigonometry
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    If sin β is the harmonic mean of sin α and cos α , and sin θ is the arithmetic mean of sinα and cosα , then which of the following is/are correct?

    1 only

    Incorrect Answer

    2 only

    Incorrect Answer

    Both 1 and 2

    Correct Answer

    Neither 1 nor 2

    Incorrect Answer
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