Complete Lecture

Conceptwise Videos

Deriving formulas for 2 cos x cos y, cos 2x, cos (x/2), cos (x±π/2), sin (x+y), sin (x-y), sin 2x etc

Deriving formulas for cos A ± cos B, sin A ± sin B

Deriving formulas for cos 3x, sin3x

Defining tan x

Plotting the graph of tan x

Discussing unboundedness of tan x

Calculating tan (-x), tan (x±π)

Calculating tan (π/2-x) and introducing cot x

NCERT and Reference Books Material
Exemplar Problems
Previous Year JEE Exams Problems

Shortcut Methods
Notes from the JEE Toppers
Concepts to Remember
Formulas to Remember
Exercises From NCERT
Mind Maps

Videos Reference Material

Trigonometric Functions Lec 03

Content Contributed By

Sunil Dhaka, Mathematics & Statistics, IIT Kanpur

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