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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 radian measure corresponding to -37o30l.
-5/24
-5/4
-5/8

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

Q 3: The elevation of a tower at a point 60 metres from it is cot-13/5 Obtain the height of the tower.
110 metres
45 metres
100 metres

Q 4: Show that cot x.cot 2x - cot 2x cot 3x - cot 3x cot x = 1
Answer:

Q 5: 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.
2031/2 m
20 m
100 m

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?
100 metres
200 metres
240 metres

Q 7: The angle of elevation of the top of a tower which is yet incomplete at a point 120 metres from its base is 45o. How much higher should it be raised so that the elevation at the same point may become 60o?
100 metres
87.84 metres
36.85 metres

Q 8: Solve the triangle ABC given that A = 67o, b = 3 cms, c = 2 cms.
a = 2.88 cm, B = 73o19l, C = 39o 41l
a = 2 cm, B = 73oC = 39o 41l
a = 5 cm, B = 70o19l, C = 39o 41l

Question 9: This question is available to subscribers only!

Question 10: This question is available to subscribers only!


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