**Interactive Desmos Trigonometric Graphs**(Email suggestions to: JTRedden@gmail.com )

* Sine and Cosine - Horizontal translation (phase shift) Pi/2 units.

* Tangent and Cotangent - Horizontal translation (phase shift) Pi/2 units.

* Transformations of Sine - Using a, b, and c.

* Transformations of Any Function - Type in any function and explore transformations.

* Cosecant and Secant - Explore the reciprocal relationship.

* Tangent and Cotangent - Explore the tangent and cotangent functions.

* Wave Interference - Sum of trig functions.

* Area of a Sector (in degrees) - Nice one found here.

* Degrees to Radians - Exact fractions and approximate fractions.

* Polar Equations [ Line ] [ Circle ] [ 4-leaved Rose ] [ 3-leaved Rose ] [ Lemniscate ] [ Limacon ]

* Wolfram Alpha - Trigonometry examples.

**Selected animated gifs**: (Email suggestions to: JTRedden@gmail.com )

catenary (black/thick) vs parabola (red/thin)

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