Presentation is loading. Please wait.

Presentation is loading. Please wait.

7.8 Sinusoidal Graphs.

Similar presentations


Presentation on theme: "7.8 Sinusoidal Graphs."β€” Presentation transcript:

1 7.8 Sinusoidal Graphs

2 Graph of y = sinx Period = 2𝝅 Amplitude = max – min = 1 – – 1 = 1 2 2
x y 1 –1 Period = 2𝝅 Amplitude = max – min = 1 – – 1 = 1 2 2

3 General Sine Curve We’ll do c & d tomorrow
If a is (+), typical sine curve If a is (–), reflect through x-axis

4 Ex 1) Graph y = 3sinx b = 1 c = 0 a = 3 d Amp = 3 Period = 2𝝅
–3 Amp = 3 Period = 2𝝅 Increment length

5 Ex 2) Graph y = sin2x b c a d = 2 = 0 = 1 1 –1 Amp = 1 Per: IL:

6 Graph of y = cosx Period = 2𝝅 Amplitude = max – min = 1 – – 1 = 1 2 2
x y 1 –1 Period = 2𝝅 Amplitude = max – min = 1 – – 1 = 1 2 2

7 General Cosine Curve We’ll do c & d tomorrow
If a is (+), typical cosine curve If a is (–), reflect through x-axis

8 Ex 3) Graph b = c = 0 a = –2 d Amp = 2 Per: IL:
a = –2 οƒ  reflect across x-axis

9 Homework #720 Pg – 4 all, 13 – 20 all


Download ppt "7.8 Sinusoidal Graphs."

Similar presentations


Ads by Google