icse class 10 mathematics specimen sample paper 2020 solved q 3a prove trigonometric identity

Hello friends, in this video tutorial we discuss how to solve trigonometric identity proving problems, the problem was given as question 3a in the icse class x maths specimen sample paper 2020, the video is a part of the icse mathematics 2 minute concepts series. the video is useful for class ( standard ) 9 ( ix ) and 10 icse students.

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