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 ...

Trigonometry is the branch of mathematics that explains the relationship between sides and angles of a triangle. In a right angled triangle the three sides are perpendicular, base and hypotenuse, as ...