Trigonometric sums and summation formulas have long served as essential tools for elucidating periodic phenomena across mathematics and the physical sciences. These techniques entail the explicit ...

Find chapter notes of chapter Trigonometric Functions including important concepts, formulae and some previous year solved questions for WBJEE Entrance Examination 2018. About 2-3 questions are being ...

It is not possible for students to revise complete book when only few days are left before UPSEE Examination. To help students, engineering section of Jagranjosh brings chapter notes of chapter ...