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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
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 the angle subtended at the centre of a circle of diamter 200 cm by an arc of length 22cm.

Q 2: 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.

Q 3: cos 75o

Q 4: If tan C = 11, find sin C. cos C.

Q 5: If in two circlesarcs of the same length subtend angles 60o and 75o at the centre, find the ratio of their radii.

Q 6: 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.
100 metres
120 metres
115.36 metres

Q 7: Show that cot x.cot 2x - cot 2x cot 3x - cot 3x cot x = 1

Q 8: The angle of elevation of the top of a tower from a point 60m from its foot is 30o. Find the height of the tower.
20 m
2031/2 m
100 m

Question 9: This question is available to subscribers only!

Question 10: This question is available to subscribers only!

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