 Pick up handout: Trig Function Decimal Approximations  Fill in the radians column and reference angle column  Use your calculator to find the decimal.

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Presentation transcript:

 Pick up handout: Trig Function Decimal Approximations  Fill in the radians column and reference angle column  Use your calculator to find the decimal approximations for the six trig functions and fill in the rest of the table

 Find the exact value of each of the following:

 If you could have taken another math class between intermediate algebra and precalculus, what would you have found helpful to learn/review in that class before taking precalculus?

Section 4.5 Use graph paper Have out your graphs that you made.

 Cyclical (repeats)  Continuous  Goes through origin  Has an amplitude of 1  Has a period of 2π  Domain=ℝ (all real #s)  Range = [-1, 1]  Odd function ◦ Rotational symmetry

 graphs/3-graphs-sin-cos-phase- shift.php#java graphs/3-graphs-sin-cos-phase- shift.php#java  sine.htm sine.htm

 Determine the amplitude, period, phase shift, and vertical shift of the function.

 Cyclical (repeats)  Continuous  y-intercept at (0, 1)  Has an amplitude of 1  Has a period of 2π  Domain=ℝ (all real numbers)  Range = [-1, 1]  Even function ◦ Symmetric across y-axis

 graphs/3-graphs-sin-cos-phase- shift.php#java graphs/3-graphs-sin-cos-phase- shift.php#java  html html

 Determine the amplitude, period, phase shift, and vertical shift of the function.

 Determine the amplitude, period, phase shift, and vertical shift of the function. Then graph.

 Write an equation for the following graph:

 Page 493 #1-49 Every Other Odd, 71, 97  Use graph paper for graphs  Check graphs with your graphing calculator