Prove that (sinA+cosecA)2 +(cosA+secA)2 =7 +tan2A + cot2A, trigonometry class 10

preview_player
Показать описание
Prove that (sinA+cosecA)2 +(cosA+secA)2 =7 +tan2A + cot2A, trigonometry class 10
Рекомендации по теме