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

  • google app store apple app store

    • Question

      if a sin 45 ˚ = b cosec

      60 ˚ then find the value of a⁴/b⁴
      A 63/13 Correct Answer Incorrect Answer
      B 64/9 Correct Answer Incorrect Answer
      C 65/9 Correct Answer Incorrect Answer
      D 74/5 Correct Answer Incorrect Answer

      Solution

      a sin 45 ˚ = b cosec 60 ˚ or a x (1/√2) = b x (2/√3)`` or a/b = √2 x (2/√3) `` so, (a/b)⁴ = (√2 x (2/√3) )⁴ = 16 x (4/9) = 64/9

      Practice Next

      Relevant for Exams:

      ask-question