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Miscellaneous·2019·Easy

If p = X cos 0- Y sin 0, q = X sin + Y cos Ө and p+4pq +q²= q² AX²+ BY², 0 ≤ 0 ≤ π/2.   What is the value of B?

If p = X cos 0- Y sin 0, q = X sin + Y cos Ө and p+4pq +q²= q² AX²+ BY², 0 ≤ 0 ≤ π/2.   What is the value of B?

Options

  1. a.

    '-1

  2. b.

    0

  3. c.

    1

    Correct answer
  4. d.

    2

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