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Without a calculator, find the exact value of csc20° − cot 40° , showing work.

  • math -

    In google type :

    csc20° − cot 40°

    When you see list of result click on :

    What is csc(20) - cot(40)? or csc(pi/9) - cot(2pi/9)

    You will see solution step by step.

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