Trigonometry | Transformations of Trig Graphs - Reflection in the y-axis | ExamSolutions

preview_player
Показать описание
In this video you are shown how the function y=f(-x) transforms the graph of y=f(x) as a reflection across the y-axis. I demonstrate this on the trigonometric graphs of sine, cosine and tangent.

Рекомендации по теме
Комментарии
Автор

why is this same as y=-f(x)=sin/cos/tan

vko