New Enroll in RBI Grade B New Batch - Starts on May 21

    Question

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    A 2√3-2 Correct Answer Incorrect Answer
    B -3(2+√3) Correct Answer Incorrect Answer
    C 3 (2+√3) Correct Answer Incorrect Answer
    D 2(√3-2) Correct Answer Incorrect Answer

    Solution

    Cosec2 300 sin2 450 + sec2 600 \ tan 600 cosec2 450 – sec2 600 tan 450 = 4 × ½ + 4 / 2√3 – 4 × 1 = 6 / 2√3 – 4 = 2(3) / 2√3 – 2 = √3/√3 – 2 = -3(2 + √3)

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