   US Common Core State Standard Math HSF-TF.A.3
Demonstrations 1 - 18 of 18

Description of Standard: (+) Use special triangles to determine geometrically the values of sine, cosine, tangent for π/3, π/4 and π/6, and use the unit circle to express the values of sine, cosines, and tangent for x, π + x, and 2π – x in terms of their values for x, where x is any real number.     Spinning Out Sine and Cosine Illustrating Cosine with the Unit Circle II Sum of Sines Plotting a Sine or Cosine Wave Polar Angles and Points on the Unit Circle     Multiple Ferris Wheels From Circle to Sine and Cosine Curves with Angle in Degrees Relationship of Sine and Cosine to the Unit Circle Most Common Angles Sine, Cosine, Tangent and the Unit Circle     Illustrating Trigonometric Curves with the Unit Circle Illustrating Cosecant with the Unit Circle Illustrating Secant with the Unit Circle Illustrating Cotangent with the Unit Circle Illustrating Tangent with the Unit Circle   Illustrating Cosine with the Unit Circle Illustrating Sine with the Unit Circle Trigonometric Functions Illustrated

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