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Indian mathematicians and discoveries in trigonometry - Trigonometry: Video playlist - BBC Bitesize
Marcus du Sautoy visits an ancient Indian observatory.
↗ https://www.bbc.co.uk/bitesize/topics/zwhg9j6/watch/zg3xpv4Marcus du Sautoy visits an ancient Indian observatory.
↗ https://www.bbc.co.uk/bitesize/topics/zwhg9j6/watch/zg3xpv4