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botnjnfe
botnjnfe asked in Science & MathematicsMathematics · 4 years ago

A triangle in the unit circle has a central angle that is 140 degrees, determine the coordinate of the point that is in Quadrant II.?

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  • ted s
    Lv 7
    4 years ago

    an infinite number of valid answers...I will postulate that one side is on the positive x axis....( cos 140° , sin 140° )

  • Tutor
    4 years ago

    Use right triangle rule.. angles are 90 40 and 50 in this case

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