Related terms:
arctan
versine
cosine
radians
tangent
aryabhata
brahmagupta
law of sines
trigonometry
decimal places
law of cosines
leonhard euler
trigonometric
mathematicians
pythagorean theorem
trigonometric function
trigonometric functions
differential equation
mactutor history of mathematics archive
Wikipedia sources:
Pi
Indian mathematics
History of trigonometry
Series (mathematics)
Trigonometric functions
Context for words:
madhava
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