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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: Find the degree measure of 3/4.
45o
35o
42057l18ll

Q 2: The angular elevation of a tower from a point is 30 degrees at a point in a horizontal line to the foot of the tower and 100 metres near it is 60 degrees, find the distance of the first point from the tower.
Answer:

Q 3: Find the radian measure of 15o.
/6
/12
/4

Q 4: The sines of the angles of a triangle are in the ratio of 4:5:6, find the ratio of the cosines of the angles.
4:5:2
2:3:4
12:9:2

Q 5: A vertical flagstaff stands on a horizontal plane from a point distant 150 metres from its foot, the angle of elevation of its top is found to be 30o, find the height of the flagstaff.
100 metres
100.4 metres
113.4 metres

Q 6: 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 7: The angles of a triangle ABC are in AP and b:c = 31/2:21/2. Find angle A.
75 degrees
45 degrees
60 degrees

Q 8: Find the angle in radian through which a pendulum swings if its length is 75 cm and the tip describes an arc of length 15 cm
1/5
1/3
2/5

Question 9: This question is available to subscribers only!

Question 10: This question is available to subscribers only!


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