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Trigonometry

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Which of the following is equivalent to 1 − cos 2 θ/cos 2 θ?
A. sec2 θ
B. (csc 2 θ ) -1
C. tan 2 θ
D. sin 2 θ
E. –1/sin2 θ

  • Trigonometry - ,

    you must mean
    (1 - cos^2 Ø) / cos^2 Ø

    (the way you typed it, you would get 1-1 = 0 )


    (1 - cos^2 Ø) / cos^2 Ø
    = sin^2 Ø/cos^2 Ø
    = tan^2 Ø

  • Trigonometry - ,

    sorry, they're all squared θ not 2 θ

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