infobox: native_name_1:സംഗമഗ്രാമ	native_name_2:മാധവൻ	native_name_lang_1:ml	name_1:ಮಾಧವ	image_1:माधव	image_2:.	image_3:jpg	birth_date_1:{	birth_date_2:{	birth_date_3:circa	birth_date_4:|	birth_date_5:1340	birth_date_6:}	birth_date_7:}	birth_date_8:(	birth_date_9:or	birth_date_10:{	birth_date_11:{	birth_date_12:c	birth_date_13:.	birth_date_14:|	birth_date_15:1350	birth_date_16:}	birth_date_17:}	death_date_1:{	death_date_2:{	death_date_3:circa	death_date_4:|	death_date_5:1425	death_date_6:}	death_date_7:}	residence_1:ಸಂಗಮಗ್ರಾಮ	residence_2:(	residence_3:ಇರಿಂಜಲಕುಡ	residence_4:)	residence_5:ಕೇರಳ	nationality_1:ಭಾರತೀಯ	ethnicity_1:ನಂಬೂದಿರಿ	known_for_1:Discovery	known_for_2:of	known_for_3:power	known_for_4:series	known_for_5:expansions	known_for_6:of	known_for_7:trigonometric	known_for_8:sine	known_for_9:,	known_for_10:cosine	known_for_11:and	known_for_12:arctangent	known_for_13:functions	notable_works_1:Golavada	notable_works_2:,	notable_works_3:Madhyamanayanaprakara	notable_works_4:,	notable_works_5:Venvaroha	occupation_1:Astronomer	occupation_2:-	occupation_3:mathematician	title_1:'	title_2:'	title_3:Golavid	title_4:'	title_5:'	religion_1:ಹಿಂದೂ
serialized_infobox: <TAG> native name </TAG> സംഗമഗ്രാമ മാധവൻ <TAG> native name lang </TAG> ml <TAG> name </TAG> ಮಾಧವ <TAG> image </TAG> माधव . jpg <TAG> birth date </TAG> { { circa | 1340 } } ( or { { c . | 1350 } } <TAG> death date </TAG> { { circa | 1425 } } <TAG> residence </TAG> ಸಂಗಮಗ್ರಾಮ ( ಇರಿಂಜಲಕುಡ ) ಕೇರಳ <TAG> nationality </TAG> ಭಾರತೀಯ <TAG> ethnicity </TAG> ನಂಬೂದಿರಿ <TAG> known for </TAG> Discovery of power series expansions of trigonometric sine , cosine and arctangent functions <TAG> notable works </TAG> Golavada , Madhyamanayanaprakara , Venvaroha <TAG> occupation </TAG> Astronomer - mathematician <TAG> title </TAG> ' ' Golavid ' ' <TAG> religion </TAG> ಹಿಂದೂ
summary: ಸಂಗಮಗ್ರಾಮದ ಮಾಧವ (೧೩೫೦ - ೧೪೨೫) ಹಳೆಯ ಭಾರತದ ಗಣಿತಜ್ಞ ಹಾಗು ಖಗೋಳಶಾಸ್ತ್ರಜ್ಞ.