📢 Too many exams? Don’t know which one suits you best? Book Your Free Expert 👉 call Now!


    Question

    If sin α + cos β = 2 (0˚ ≤ β < α ≤ 90˚), then

    sin[(2α + β)/3] =?
    A √2/3 Correct Answer Incorrect Answer
    B √3/4 Correct Answer Incorrect Answer
    C √3/2 Correct Answer Incorrect Answer
    D √3 Correct Answer Incorrect Answer

    Solution

    sin α + cos β = 2 sin α ≤ 1; cos β ≤ 1 => α = 90˚ ; β = 0˚    sin[(2α + β)/3] = sin (180˚/3) = sin 60˚ = √3/2

    Practice Next

    Relevant for Exams:

    ask-question

    Not sure which exam is best for you Talk to our expert

    Get My Free Call