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what is the principal value of sec^-1(-2)?

    • Posted by Řøhăň Řąjpůť ✌️✊ 6 years, 4 months ago

    CBSE > Class 12 > Mathematics
    • 2 answers

    Řøhăň Řąjpůť ✌️✊ 6 years, 4 months ago

    shukriya bhai ?

    0Thank You

    Arkaprobho Dutta 6 years, 4 months ago

    sec^-1(-2)=sec^-1(-sec pie/3) =sec^-1[sec(pie - pie/3)]= Sec^-1[sec(2 pie /3)]=2 pie/3 this is the answer hope it helps you

    1Thank You

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