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    Professor

    The value of sin²2º+sin²4º+sin²6º+……+sin²90º is

    (a) 0
    (b) 22
    (c) 23
    (d) 44

    Asked by Anurag Mishra on 23rd March 2016 in Maths.
    1 Answers
    Professor

    Answer: (d) 44 

    Answered by Anurag Mishra on 26th March 2016..