Contribution of aryabhatta in trigonometry cheat
Who discovered zero, aryabhatta
Aryabhata approximated the value of π correct to three decimal places which was the best approximation made till his time.
Xenocrates contribution in mathematics
Aryabhatta gave us a table of sines for calculating the approximate values of sine functions at intervals with an accuracy of 44 decimal places.
Hindu mathematician
Trigonometry and Algebra.
Aryabhatta heliocentric theory
Aryabhatta had defined sine, cosine, versine and inverse sine back in his era, influencing the birth of trigonometry.