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If sec A = 15/7 and …

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If sec A = 15/7 and A + B = 90°, find the value of cosec B.

    • Posted by Kumar ... 2 years, 3 months ago

    CBSE > Class 10 > Mathematics
    • 1 answers

    Preeti Dabral 2 years, 3 months ago

    sec A =157
    ⇒ sec(90° - B) =157 [∵ A + B = 90° ⇒ A = 90°  - B]
    ⇒ cosec B =157 [∵ sec (90° - θ) = cosec θ)

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