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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: 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

Q 2: If tan C = 11, find sin C. cos C.
Answer:

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

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

Q 6: From the light house the angles of depression of two ships on opposite sides of the light house are observed to be 30o and 45o. If the height of the light house is 300 metres, find the distance between the ships if the line joining them passes through foot of the light house.
819.6 metres
809 metres
800 metres

Q 7: 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.
2:3:4
12:9:2
4:5:2

Q 8: In triangle ABC, a = 50, c = 60, b = 100 degrees, find b.
80
85
84.5

Question 9: This question is available to subscribers only!

Question 10: This question is available to subscribers only!


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