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P10: D ete rm ine tr igonom et r ic values without the use of the unit cir cle .

Un it Cir cle Ba ckg round:

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P10: D ete rm ine tr igonom et r ic values without the use of the unit cir cle .

Un it Cir cle Char t:

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P10: D ete rm ine tr igonom et r ic values without the use of the unit cir cle .

Un it Cir cle :

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P10: D ete rm ine tr igonom et r ic values without the use of the unit cir cle .

P utting It All To gethe r:

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P10: D ete rm ine tr igonom et r ic values without the use of the unit cir cle .

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P10: D ete rm ine tr igonom et r ic values without the use of the unit cir cle .

S ummary:Me mor izing the unit cir cle is esse ntial.

Use pa tte rns to m e mor ize it.

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P11: Analy ze a f igur e usi ng r ight-tr ian g le tr igonom et ry.

Rec all:1. Py tha gor e an T he or e m2. S OHC AHTO A

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P11: Analy ze a f igur e usi ng r ight-tr ian g le tr igonom et ry.

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P11: Analy ze a f igur e usi ng r ight-tr ian g le tr igonom et ry.

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P11: Analy ze a f igur e usi ng r ight-tr ian g le tr igonom et ry.

Pra ctice :

Sol ve all m issi ng sides & an g les :

20

9

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P11: Analy ze a f igur e usi ng r ight-tr ian g le tr igonom et ry.

S ummary:Use r ight-t r ian g le tr ig to s olve for m issi ng pieces to pro ble ms

be for e you use calcu lus .

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P12: D ete rm ine po ints of inte r secti onof f unction s algeb ra ically.

Re me mbe r:Coord ina te po ints (x, y) w he r e 2(or mor e ) f unction s inte r sect on

a grap h ar e r e ally just s olution sto both f unction s .

To s olve algeb ra ically, set the f unction s equ al to e a ch othe r.

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P12: D ete rm ine po ints of inte r secti onof f unction s algeb ra ically.

Pra ctice :Wha t if the y ar e nt in the r ight form?

Find the po int(s ) of inte r secti onof the following f unction s .

6x = 3y + 20.5x 2y = 5

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P12: D ete rm ine po ints of inte r secti onof f unction s algeb ra ically.

Pra ctice :Wha t if the r e is mor e than on e po int?

Find the po int(s ) of inte r secti onof the following f unction s .

y = x 2 3y = 2x + 4

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P12: D ete rm ine po ints of inte r secti onof f unction s algeb ra ically.

S ummary:Find ing po ints of inte r secti onalgeb ra ically can s a ve

signif ican t time on compl e xf unction s .

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Questi on s ?

HW: Problem Set P10-P12.