# Sin & Cos Graphs. Let’s explore the sine graph! _unit_circle_degrees.html

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Sin & Cos Graphs

Let’s explore the sine graph! http://www.mathcasts.org/gg/student/trig/sine _unit_circle_degrees.html http://www.mathcasts.org/gg/student/trig/sine _unit_circle_degrees.html http://www.mathcasts.org/gg/student/trig/sine _unit_circle_degrees_plus.html http://www.mathcasts.org/gg/student/trig/sine _unit_circle_degrees_plus.html

y = sin Ѳ 0

Let’s explore the cosine graph. http://www.mathcasts.org/gg/student/trig/cosi ne_unit_circle_degrees_plus.html http://www.mathcasts.org/gg/student/trig/cosi ne_unit_circle_degrees_plus.html http://www.mathcasts.org/gg/student/trig/cosi ne_unit_circle_rad.html http://www.mathcasts.org/gg/student/trig/cosi ne_unit_circle_rad.html

y = cos Ѳ 0

Let’s graph it on the calculator. Make sure the calculator is in radian mode Type sin(x) in y1 Press zoom trig Now let’s look at y = cos(x).

Transformations of Sine & Cosine Graphs

y= A sin (k Ѳ+c) + d Amplitude = (A) Period = Phase Shift =

Write the equation of the sine function with the following features. Amplitude = 5 Period = 90° PS = 4°

Write the equation of the sine function with the following features. Amplitude = 4 Period = PS =

Homework Worksheet #1

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