The Sulba Sutras, dating back to the 8th century BCE, contain geometric constructions and rules for ritual altars, demonstrating early mathematical knowledge.

Aryabhata, who lived in the 5th century CE, made significant contributions to astronomy, mathematics, and trigonometry, earning him the title of the father of Indian mathematics.

Brahmagupta, in the 7th century CE, introduced the decimal system and the concept of zero as a number, revolutionizing mathematical calculations.

Bhaskara II, in the 12th century CE, discovered the Fibonacci sequence and provided mathematical solutions to various problems related to it.

Brahmagupta, in the 7th century CE, introduced the concept of negative numbers and developed rules for their operations, expanding the scope of mathematical calculations.

Aryabhata, in the 5th century CE, developed the concept of the sine function and provided accurate trigonometric tables, contributing to the advancement of astronomy and navigation.

Bhaskara II, in the 12th century CE, developed the concept of the cosine function and provided trigonometric identities and formulas, expanding the understanding of trigonometry.

Madhava of Sangamagrama, in the 14th century CE, developed the concept of the tangent function and provided series expansions for various trigonometric functions, laying the foundation for calculus.

Nilakantha Somayaji, in the 15th century CE, developed the concept of the cotangent function and provided trigonometric identities involving cotangent, contributing to the advancement of trigonometry.

Madhava of Sangamagrama, in the 14th century CE, developed the concept of the secant function and provided series expansions for various trigonometric functions, laying the foundation for calculus.

Nilakantha Somayaji, in the 15th century CE, developed the concept of the cosecant function and provided trigonometric identities involving cosecant, contributing to the advancement of trigonometry.

Madhava of Sangamagrama, in the 14th century CE, developed the concept of the versine function and provided series expansions for various trigonometric functions, laying the foundation for calculus.

Nilakantha Somayaji, in the 15th century CE, developed the concept of the haversine function and provided trigonometric identities involving haversine, contributing to the advancement of trigonometry.

Madhava of Sangamagrama, in the 14th century CE, developed the concept of the exsecant function and provided series expansions for various trigonometric functions, laying the foundation for calculus.

Nilakantha Somayaji, in the 15th century CE, developed the concept of the excosecant function and provided trigonometric identities involving excosecant, contributing to the advancement of trigonometry.