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precal

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cosx/secx+sinx/cscx=sec^2x-tan^2x

  • precal -

    left and right are both 1

  • precal -

    use sin squared + cos squared = 1

  • precal -

    thanks

  • precal -

    You are welcome. I did it out but was unable to post the solution. The board seems to be acting up.

  • precal -

    Thats ok, I think I kind of understand it.

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