Evaluate the Trigonometric Functions

Discussion in 'Other Pre-University Math' started by nycmathguy, Feb 6, 2022.

  1. nycmathguy

    nycmathguy

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    David Cohen Just for you. Enjoy.

    IMG_20220205_215339.jpg
     
    nycmathguy, Feb 6, 2022
    #1
  2. nycmathguy

    MathLover1

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    cos(tan^-1(sin(tan^-1(sqrt(2)/2))))

    =cos(tan^-1(sin(35.26°)))

    =cos(tan^-1(0.577288))

    =cos(0.523552)

    =0.8660487906361666 radians, approximately =sqrt(3)/2
     
    MathLover1, Feb 7, 2022
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    nycmathguy likes this.
  3. nycmathguy

    nycmathguy

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    Thank you. Are you having fun with David Cohen questions? If so, see link below.

    Compute CD & CE
     
    nycmathguy, Feb 7, 2022
    #3
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