area between intersecting curves   4 videos

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  Using Sine to Calculate the Area of a Triangle

  Trigonometry Basic Trigonometry

  How to calculate the area of any triangle using two sides and an included angle.

  area of a triangle sine
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  Pythagorean Theorem Proofs

  Trigonometry Pythagorean Theorem

  How to prove the Pythagorean Theorem using Algebra to show the area of the smaller square plus the area of four triangles is equal to the area of the larger square.

  right triangle area of a square binomial squared area of a triangle side leg hypotenuse
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  Find an Equation for the Sine or Cosine Wave

  Trigonometry Trigonometric Functions

  How to identify the graph of a stretched cosine curve.

  sine cosine period amplitude intercepts turning points
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  Distance Formula

  Trigonometry Pythagorean Theorem

  How to derive the equation for the distance between two points using the Pythagorean Theorem.

  distance coordinate plane ordered pair segment