Question

Varahamihira contributed in which of the following topics of Mathematics ?

• A. Trigonometry
• B. Place value system
• C. Combinatorics
• D. Optics

Answer 1

Answer: (A), (C), (D)

The correct options are
A Trigonometry
C Combinatorics
D Optics

Trignomertry $:$ He improved the accuracy of the sine tables after Aryabhata.

Optics $:$ He given the statement reflection is caused by back scattering of particles and refraction by ability of particles to penetrate the inner spaces of the material.

Combinatorics $:$ He was the first mathematician to discover a version of Pascal triagle. He used it to calculate the Binomial coffecients.

So options A,C and D are correct.