Mathematician:Bhaskara I

Indian mathematician who was the first on record to use Hindu-Arabic numerals complete with a symbol for zero.

Gave an approximation of the sine function in his Āryabhaṭīyabhāṣya of 629 CE. Not to be confused with.

Nationality
Indian

History

 * Born: c. 600, (possibly) Saurastra (modern Gujarat state), India
 * Died: c. 680, (possibly) Asmaka, India

Books

 * Mahabhaskariya
 * Laghubhaskariya
 * 629: Āryabhaṭīyabhāṣya (a commentary on the work of )

Also see

 * : Chapter $5$: Eternal Triangles