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pls. explain why there is no real number è that satisfies ither sinè=2 or cos è=2.

  • math -

    In trigonometric terms,
    sin(x) is defined as
    sin(x)=opposite/hypotenuse.
    Since the hypotenuse is the longest side of a right triangle, the value of sin(x) can approach 1, but cannot exceed one.
    A similar argument can be made for cos(x).

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