Unit 6 Test Review
Write the numbers 1 to 10 on a blank piece of paper.
Instructions
There are 10 multiple choice questions.Do not copy out the questions just do them.The questions and answers are available on classnet.
Try to do the questions before you look at the possible answers.
There will be no multiple choice questions on the real test but these questions represent many of the types of questions that could appear on the test.
1) Would you use Sin Law, Cos Law or SOH CAH TOA?
a) Sin Law
b) Cos Law
c) Right Angle Trig
d) Cos Law then Sin Law
e) Sin Law then Cos Law
2) What formula should you use?
a) Sin Law
b) Cos Law
c) SOH CAH TOA
d) Pythagorean Theorem
e) All of the above
3) What is the value of angle C?
a) 10.50
b) 97.30
c) 900
d) 82.70
e) 620
4) What is the value of angle B?
a) 15.70
b) 36.00
c) 36.80
d) 73.20
e) 70.00
5) Will there be questions on the test where you have to draw the diagram?
a) Yes, every question will require this.
b) No, it is too hard so it wonβt be on the test.
c) Maybe, depends on if you get version A or B of the test
d) No, every diagram will be drawn for me.
e) Yes, but there will also be questions where the diagram is provided.
6) What is the exact value of cos(210) ?
a) -0.866024503
b)
c)
d)
e)
7) Determine the exact value of
a)
b)
c) 2.292893219
d)
e) Both a and d
8) Determine the value of x using exact values. (Donβt use your calculator)
a)
b) 2
c)
d)
e)
9) Solve if
a)
b) 120 , 240
c)
d)
e) 60, 120, 240, 300
10) Which identities do I have to know and be able to use to prove other identities?
a)
b)
c)
d)
e) All of the above
Unit 6 Test ReviewANSWERS
1) Would you use Sin Law, Cos Law or SOH CAH TOA?
a) Sin Law
b) Cos Law
c) Right Angle Trig
d) Cos Law then Sin Law
e) Sin Law then Cos Law
sin 65π₯ =
sin 8510
85
2) What formula should you use?
a) Sin Law
b) Cos Law
c) SOH CAH TOA
d) Pythagorean Theorem
e) All of the abovesin π΄=
610
3) What is the value of angle C?
a) 10.50
b) 97.30
c) 900
d) 82.70
e) 620
cosπΆ=ΒΏ252β152β222
β2(15)(22)ΒΏ
252=152+222β2 (15 ) (22 )cosπΆ
πΆ=cosβ1( β84β660 )πΆ=82.7
4) What is the value of angle B?
a) 15.70
b) 36.00
c) 36.80
d) 73.20
e) 70.00
π2=102+162β2 (10 ) (16 )cos 70π2=246.55β¦β¦β¦.π=15.7
15.7
sin 7015.7 =
sinπ΅10
π΅=π ππβ 1( 10sin 7015.7 )βπ΅=36.8
5) Will there be questions on the test where you have to draw the diagram?
a) Yes, every question will require this.
b) No, it is too hard so it wonβt be on the test.
c) Maybe, depends on if you get version A or B of the test
d) No, every diagram will be drawn for me.
e) Yes, but there will also be questions where the diagram is provided.
6) What is the exact value of cos(210) ?
a) -0.866024503
b)
c)
d)
e)
2100
3001
2
βπ
cos is and is negative in quad 3
7) Determine the exact value of
a)
b)
c) 2.292893219
d)
e) Both a and d
ΒΏ (β3 )2β 1β2
ΒΏ3β 1β2
ΒΏ 3β2β2
β 1β2
ΒΏ 3β2β1β2
You have to be able to simplify exact values.
8) Determine the value of x use exact values. (Donβt use your calculator)
a)
b) 2
c)
d)
e)
cosπ=π΄π»
cos 30= 8π₯
β32
ΒΏ 8π₯
β3 π₯=(2)(8)
π₯=16β3
a)
b) 120 , 240
c)
d)
e) 60, 120, 240, 300
9) Solve if
Solution on next slide
9) Solve if
cos (2π₯ )=β12
cos (π )=β12
π π1
2600
600
ΞΈ=120 ΞΈ=2402 π₯=120 2 π₯=240π₯=60 π₯=120
ππππππ=180
π₯=60+180 π₯=120+180π₯=240 π₯=300
10) Which identities do I have to know and be able to use to prove other identities?
a)
b)
c)
d)
e) All of the aboveYou will (most likely) have seen the identities you have to prove before.
This slide show is on Classnet
You should review the questions you got wrong before the test.
These questions are a good sample of the types of questions on the test.
There are NO MULTIPLE CHOICE questions on the test.