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If tanA =a/b, find the secA

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If tanA =a/b, find the secA

    • Posted by Amaresh Khened 6 years, 3 months ago

    CBSE > Class 12 > Mathematics
    • 5 answers

    Amaresh Khened 6 years, 3 months ago

    I cannot understand ,nihal ojha answer it by giving space

    0Thank You

    Nikhil Agarwal 6 years, 3 months ago

    a/bsina

    0Thank You

    Nihal Ojha 6 years, 3 months ago

    sinA/cosA = a/b Squaring both sides sin²A/cos²A = a²/b² adding 1 to both sides sin²A+cos²A/cos²A = a²+b²/b² 1/cos²A = a²+b²/b² sec²A = a²+b²/b² secA = (underoot a²+b²) /b

    2Thank You

    Ashish Singh 6 years, 3 months ago

    Bcosx

    2Thank You

    Akhileshwar Singh 6 years, 3 months ago

    SecA=b/underroot a^2+b^2.

    1Thank You

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