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15 January, 03:54

Find all solutions to the following equation:

sin^2 (x) cos^2 (x) = 1/4

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Answers (2)
  1. 15 January, 07:07
    0
    sin² (x) cos² (x) = ¹/₄

    √sin² (x) cos² (x) = √¹/₄

    sin (x) cos (x) = ¹/₂

    2sin (x) cos (x) = 1

    sin (2x) = 1

    sin⁻¹[sin (2x) ] = sin⁻¹ (1)

    2x = 90

    2 2

    x = 45
  2. 15 January, 07:48
    0
    We are given the equation sin^2 (x) cos^2 (x) = 1/4 and is asked to evaluate the x-value of the equation given. we first start by taking the square root of both sides resulting to sin (x) cos (x) = 1/2. By double angle identity, 1/2 sin 2x = 1/2. Simplifying, sin 2x = 1; x is equal to pi/4.
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