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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

High School Mathematics - 2
10.18 Trignometry Review

Function 0o 30456090
sin 0/2 1/22/23/24/2
cos 4/2 3/22/21/20
tan 0 3/313undefined
sec 1 23/322undefined
csc undefined 2223/31
cot undefined 313/30

sin cos tan
0 0 1 0
90 1 0 infinity
180 0 -1 0
270 -1 0 infinity




Functions of angles in all quadrants in terms of those in quadrant 1
-A 900 A
P/2 A
1800 A
P A
2700 A
3P/2 A
3600 A
2P A
sin -sinA cos A sin A -cosA sin A
cos cos A sin A -cos A sin A cos A
tan -tan A cot A tan A cot A tan A
csc -csc A sec A csc A -sec A csc A
sec sec A csc A -sec A csc A sec A
cot -cot A tan A cot A tan A cot A

Q 1: In a triangle ABC, a = 2, b = 3 and sin A = 2/3, find angle B.
75 degrees
90 degrees
80 degrees

Q 2: Given cos T = 3/5, calculate the value of sin T, tan T.
Answer:

Q 3: If the shadow of a tower is 30 metres, when the sun's altitude is 30o, what is the length of the shadow when the sun's altitude is 60o?
200 metres
100 metres
240 metres

Q 4: A wheel makes 360 revolutions in one minute. Through how many radians does it turn in one second?
5/3
12
4/6

Q 5: The horizontal distance between two towers is 60 metres and the angular depression of the top of the first as seen from the top of the second, which is 150 metres is 30o. Find the height of the first.
120 metres
100 metres
115.36 metres

Q 6: In triangle ABC, if b = 6, c = 4, cos A = 1/12, find a
31/2
4.31/2
4

Q 7: If tan C = 11, find sin C. cos C.
Answer:

Q 8: In triangle ABC , if 2 cos A/a + cos B/b + 2 cos C/c = a/bc + b/ca. find angle A
90 degrees
45 degrees
30 degrees

Question 9: This question is available to subscribers only!

Question 10: This question is available to subscribers only!


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