Unit 6 Review

Law of Sines/Cosines

100

Find a if B=100^o, C=45^o, and b=12.

6.99

200

Find B if A=48^o, b=6 and a=3. 

B=17.3^o

300

Find a if A=12^o, b=3 and c=10. 

a=7.1

400

Find B if a=12, c=7, and b=8.

40

500

Find a and b if A=30⁰, B=45^o and c=12.

b=8.8

a=6.2

Vectors

100

Write the vector in component form whose initial point is (0,2) and terminal point is (3,7)

<3,5>

200

Write the vector in component form whose inital point is (-3,-5) and terminal point is (4,7).

<7, 12>

300

Find the magnitude of the vector <12, 15>

19.2

400

Find the magnitude of the vector <-7, -6>

9.2

500

Find a unit vector in the direction of <-6,10>

<(-3sqrt34)/34, (5sqrt34)/34>

Vectors Continued

100

If u=<3,7> and v=<2,1>, find u+v.

<3,8>

200

If u=<0,-7> and v=<3,5>, find 2u+4v.

<12, 6>

300

If u=<9,3> and v=<-4,-6>, find 3u-7v.

<55,51>

400

If u=<4,-8> and v=<-1,4> find u.v

-36

500

If u=<0,9> and v=<3,11>, find u.v

99