1.6 AP Calc Trig Functions.notebook€¦ · 1.6 AP Calc Trig Functions.notebook 1 August 20, 2015...

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1.6 AP Calc Trig Functions.notebook 1 August 20, 2015 1.6 Trigonometry SOHCAHTOA Radian Measurementlength of the intercepted arc divided by the radius. Degrees to radians: Radians to degrees: θ radians=s/r Look at Pink sheet for trig formulas, unit circle, etc. Find sine, cosine, tangent for an angle that terminates at (5,12) objectives *sohcahtoa *graphing trig functions *domain of inverse functions *special triangles

Transcript of 1.6 AP Calc Trig Functions.notebook€¦ · 1.6 AP Calc Trig Functions.notebook 1 August 20, 2015...

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1.6 Trigonometry

SOHCAHTOA

Radian Measurement­length of the intercepted arc divided by the radius.

Degrees to radians:

Radians to degrees:

θradians=s/r

Look at Pink sheet for trig formulas, unit circle, etc.

Find sine, cosine, tangent for an angle that terminates at (­5,­12)

objectives*sohcahtoa*graphing trig functions*domain of inverse functions*special triangles

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Graphs of trig functionsy=cos x

y=sinx

y=tan x

y=a cos b(x­c)+da is amplitudec horizontal shiftd is vertical shift

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Inverse Trig FunctionsFunction               Domain                  Range

finding the angle

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cos, sin, tan, sec, csc, cot:  finding the ration of the sides of a right triangle

cos­1, sin­1, tan­1, etc:  finding the angle with the given trig function

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30­60­90 shorter leg is 1/2 the hypotenuse, the longer leg is the shorter leg times 

45­45­90The two legs are equal, the hypotenuse is the leg times 

Solve for all values of x

x

x/2

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