New RBI Grade B 2025 Notification will come Soon! Enroll Here

    Question

    If 1 + sin 2θ = p2 and sin3 θ +

    cos3 θ = q then Which of the following is true ?  1. q3 – 2p + 3q = 0 2. p3 – 3p + 2q = 0 3. q3 + 2p – 2q = 0 4. p3 – 2p + 3q = 0
    A 1 Correct Answer Incorrect Answer
    B 3 Correct Answer Incorrect Answer
    C 2 Correct Answer Incorrect Answer
    D 4 Correct Answer Incorrect Answer

    Solution

    IxamBee Method: Put θ = 0o  p = 1, q = 1 Option 2 satisfied.

    Practice Next

    Relevant for Exams: