Learn how to graph a transformed sine and cosine function using the parameters a, k, d, and c. These parameters effect the amplitude, period, phase shift, and vertical shift of the function. Go to for FREE math resources that accompany this lesson. 0:00 Explanation of transformations 4:15 Graphs of Sine and Cosine 8:06 Example 1 13:00 Example 2 18:33 Example 3 Corresponding textbook sections: Nelson Math 11 - Section 6.5 - Using Transformations to Sketch the Graphs of Sinusoidal Functions McGraw Hill Math 11 - Section 5.4 - Graphing and Modelling with y=asin[k(x-d)]+c