Question

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    A 1 Correct Answer Incorrect Answer
    B 2 Correct Answer Incorrect Answer
    C 3 Correct Answer Incorrect Answer
    D 4 Correct Answer Incorrect Answer

    Solution

    secƟ - tan Ɵ = x/y ------ (i) sec Ɵ + tan Ɵ = y/x ------ (ii) solving (i) and (ii), we get => 2 sec Ɵ = (x2 + y2)/xy => sec Ɵ = (x 2+ y 2)/2xy

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