Aryabhata is considered the father of Indian mathematics due to his significant contributions to the field in the 5th century AD.

Brahmagupta developed the concept of the zero in the 7th century AD, which revolutionized mathematics.

Bhaskara II studied and expanded upon the Fibonacci sequence in the 12th century AD.

Srinivasa Ramanujan made significant contributions to the field of calculus in the early 20th century.

Srinivasa Ramanujan made significant contributions to the theory of numbers in the early 20th century.

Aryabhata developed the concept of the sine function in the 5th century AD.

Bhaskara II studied and expanded upon the cosine function in the 12th century AD.

Madhava of Sangamagrama developed the concept of the tangent function in the 14th century AD.

Madhava of Sangamagrama also studied and expanded upon the cotangent function in the 14th century AD.

Madhava of Sangamagrama developed the concept of the secant function in the 14th century AD.

Madhava of Sangamagrama also studied and expanded upon the cosecant function in the 14th century AD.

Madhava of Sangamagrama developed the concept of the versine function in the 14th century AD.

Madhava of Sangamagrama also studied and expanded upon the haversine function in the 14th century AD.

Madhava of Sangamagrama developed the concept of the exsecant function in the 14th century AD.

Madhava of Sangamagrama also studied and expanded upon the excscant function in the 14th century AD.