Aryabhata was an Indian mathematician and astronomer who lived in the 5th century CE. He is credited with developing the concept of the sine function, which is essential for navigation.

The astrolabe is an astronomical instrument that was developed by Indian mathematicians in the 5th century CE. It is used to measure the altitude of celestial bodies, such as the sun and stars.

Bhaskara II was an Indian mathematician and astronomer who lived in the 12th century CE. He is credited with developing the concept of the tangent function, which is essential for navigation.

The Brahmasphuta Siddhanta is a mathematical treatise written by Brahmagupta in the 7th century CE. It contains important contributions to the field of navigation, including the development of the sine and cosine functions.

Madhava of Sangamagrama was an Indian mathematician and astronomer who lived in the 14th century CE. He is credited with developing the concept of the secant function, which is essential for navigation.

The Aryabhatiya is a mathematical treatise written by Aryabhata in the 5th century CE. It contains important contributions to the field of navigation, including the development of the sine and cosine functions.

Madhava of Sangamagrama was an Indian mathematician and astronomer who lived in the 14th century CE. He is credited with developing the concept of the cosecant function, which is essential for navigation.

The Lilavati is a mathematical treatise written by Lilavati in the 12th century CE. It contains important contributions to the field of navigation, including the development of the sine and cosine functions.

Madhava of Sangamagrama was an Indian mathematician and astronomer who lived in the 14th century CE. He is credited with developing the concept of the cotangent function, which is essential for navigation.

The Surya Siddhanta is a mathematical treatise written by Surya Siddhanta in the 5th century CE. It contains important contributions to the field of navigation, including the development of the sine and cosine functions.

Madhava of Sangamagrama was an Indian mathematician and astronomer who lived in the 14th century CE. He is credited with developing the concept of the versine function, which is essential for navigation.

The Lilavati is a mathematical treatise written by Bhaskara II in the 12th century CE. It contains important contributions to the field of navigation, including the development of the sine and cosine functions.

Madhava of Sangamagrama was an Indian mathematician and astronomer who lived in the 14th century CE. He is credited with developing the concept of the haversine function, which is essential for navigation.

The Surya Siddhanta is a mathematical treatise written by Madhava of Sangamagrama in the 14th century CE. It contains important contributions to the field of navigation, including the development of the sine and cosine functions.

Madhava of Sangamagrama was an Indian mathematician and astronomer who lived in the 14th century CE. He is credited with developing the concept of the exsecant function, which is essential for navigation.