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Trigonometry

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Suppose you have an isosceles triangle, and each of the equal sides has a lenght of 1 foot. Suppose the angle formed by those two sides is 45^\circ. Then the area of the triangle is square feet.

  • Trigonometry -

    area = (1/2)(1)(1)sin45
    = 1/(2√2)

  • Trigonometry -

    .353553

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