📢 Too many exams? Don’t know which one suits you best? Book Your Free Expert 👉 call Now!


    Question

    src="https://www.ixambee.com/questionimage/Chapter/1645684506-10.png" alt="" />
    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

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

    Practice Next

    Relevant for Exams:

    ask-question