An exterior angle of a triangle is equal to the sum of the two non-adjacent interior angles. This theorem provides another ...

In a function such as sine or cosine, we could also have a translation of the form: \(y = \sin (x - a)^\circ\) where \(a\) is called the phase angle. This is when the graph of the function has been ...

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 ...

What do you think the graph of \(y = \cos 2x^\circ\) would look like? amplitude = 1, so the distance between the maximum and minimum values is 2 number of waves = 2 (period is 360˚ ÷ 2 = 180˚) graph ...