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marasofia1616

  • 3 years ago

Find all solutions in the interval [0, 2π). cos x = sin x

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  1. ghazi
    • 3 years ago
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    both of these are equal at theta= pi/4

  2. matricked
    • 3 years ago
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    sinx=cosx then tanx=1 hence x=pi/4 and 5pi/4

  3. ghazi
    • 3 years ago
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    now find those pi/4 s in 0 to 2 pi

  4. matricked
    • 3 years ago
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    general sol. is n(pi) + pi/4 where n is an integer

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