In ancient India, what was the term used for the number zero?

What was the name of the ancient Indian mathematician who is credited with developing the decimal system?

Which ancient Indian text contains the earliest known description of the Fibonacci sequence?

What was the name of the ancient Indian mathematician who developed the concept of negative numbers?

Which ancient Indian mathematician is credited with developing the concept of the square root?

What was the name of the ancient Indian mathematician who developed the concept of the cube root?

Which ancient Indian mathematician is credited with developing the concept of the Pythagorean theorem?

What was the name of the ancient Indian mathematician who developed the concept of the sine function?

Which ancient Indian mathematician is credited with developing the concept of the cosine function?

What was the name of the ancient Indian mathematician who developed the concept of the tangent function?

Which ancient Indian mathematician is credited with developing the concept of the cotangent function?

What was the name of the ancient Indian mathematician who developed the concept of the secant function?

Which ancient Indian mathematician is credited with developing the concept of the cosecant function?

What was the name of the ancient Indian mathematician who developed the concept of the inverse sine function?

Which ancient Indian mathematician is credited with developing the concept of the inverse cosine function?