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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

Geometry
8.17 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 angle in radian through which a pendulum swings if its length is 75 cm and the tip describes an arc of length 10 cm
2/15
4/15
3/15

Q 2: In triangle ABC, a= 15 cm, B = 68 degrees, C = 43 degrees, find b, c and B.
A = 60 degrees, b = 4 cm, c = 9 cm
A = 69 degrees, b = 4.89 cm, c = 10.96 cm
A = 60 degrees, b = 3 cm, c = 7 cm

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

Q 4: 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

Q 5: In triangle ABC , if 2 cos A/a + cos B/b + 2 cos C/c = a/bc + b/ca. find angle A
30 degrees
45 degrees
90 degrees

Q 6: Given cos T = 3/5, calculate the value of sin T, tan T.
Answer:

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
4:5:2
12:9:2

Q 8: Find the radian measure corresponding to -37o30l.
-5/8
-5/24
-5/4

Question 9: This question is available to subscribers only!

Question 10: This question is available to subscribers only!


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