Question:

Trig Identities Help?

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1 - cos^2/ tan^2 =

A. cos^2

B. sin

C. sin^2

D cos^2

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  1. 1 - cos^2/ tan^2=

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

    1 - cos^4 / sin^2 =

    D. sin


  2. I think you mean

    (1 - cos^2)/ tan^2

    = sin ^2/ tan ^2

    = cos ^2

    hence ans is d


  3. Wrong question. The trigonometric functions are to be applied on angles.

  4. cos^2/ tan^2

    =cos^2

    ------------

    sin^2

    -------

    cos^2

    =cos^2 x cos^2/sin^2

    =cos^4/sin^2

                  

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