Recent content by famousamos

  1. F

    How to Solve cos2x - sinx = 1/2 for [0,2pi)?

    brendanH the question says between 0 and pi. therefore even if you are right -54 doesn't work
  2. F

    Solve Hard Trig Question: Cube <ACB Angle

    set AC as x, set BC as x(sqrt 2) because it is a square. tan(ACB) = x/x(sqrt2) = 1/sqrt2 ACB = tan^-1 (sqrt2/2)
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