Art-Creating Trigonometry by Hamid Naderi Yeganeh

Read about Hamid Naderi Yeganeh in this Wikipedia article.

The following based on the trigonometric functions presented in the HuffPost blog "Drawing Birds in Flight With Mathematics" by Hamid Naderi Yeganeh.

The following based on the trigonometric functions presented in the Scientific American guest blog "Making Mathematical Art" by Hamid Naderi Yeganeh.