GEOM Alg2 Sec 13.6 NOTES & WORK.notebook - Edl · 2019-02-27 · Multiply each side by 12,...

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GEOM Alg2 Sec 13.6 NOTES & WORK.notebook Sec 13.6 LAW OF COSINES ALG 2 ANSWERS BELOW... Example #1 continued:

Transcript of GEOM Alg2 Sec 13.6 NOTES & WORK.notebook - Edl · 2019-02-27 · Multiply each side by 12,...

Page 1: GEOM Alg2 Sec 13.6 NOTES & WORK.notebook - Edl · 2019-02-27 · Multiply each side by 12, Simplify. Use inverse sine, You can find the third angle as follows. - 93.50 Law of Cosines

GEOM Alg2 Sec 13.6 NOTES & WORK.notebook

Sec 13.6 LAW OF COSINESALG 2

A N S W E R S   B E L O W . . .

Example #1 continued:

Page 2: GEOM Alg2 Sec 13.6 NOTES & WORK.notebook - Edl · 2019-02-27 · Multiply each side by 12, Simplify. Use inverse sine, You can find the third angle as follows. - 93.50 Law of Cosines

GEOM Alg2 Sec 13.6 NOTES & WORK.notebook

Page 3: GEOM Alg2 Sec 13.6 NOTES & WORK.notebook - Edl · 2019-02-27 · Multiply each side by 12, Simplify. Use inverse sine, You can find the third angle as follows. - 93.50 Law of Cosines

GEOM Alg2 Sec 13.6 NOTES & WORK.notebook

Extra Example #1:

2nd) Use Law of Sines:

Extra Example #1: Extra Example #2:

Page 4: GEOM Alg2 Sec 13.6 NOTES & WORK.notebook - Edl · 2019-02-27 · Multiply each side by 12, Simplify. Use inverse sine, You can find the third angle as follows. - 93.50 Law of Cosines

GEOM Alg2 Sec 13.6 NOTES & WORK.notebookExtra Example #3:

Extra Example #4:

1st) The bearing is the direction of the GREEN arrow. So, let's use the Law of Cosines to find angle B:

Extra Example #4:

Page 5: GEOM Alg2 Sec 13.6 NOTES & WORK.notebook - Edl · 2019-02-27 · Multiply each side by 12, Simplify. Use inverse sine, You can find the third angle as follows. - 93.50 Law of Cosines

GEOM Alg2 Sec 13.6 NOTES & WORK.notebook

Extra Example #5: