Test: Trigonometry - Challenging

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Question 1:   Find x
x=9.76
x=8.21
x=10.73
x=0.82
Question 2:   Find α
α=40.11°
α=38.82°
α=43.13°
α=27.25°
Question 3:   Find x
x=12.28
x=14.17
x=13.79
x=14.84
Question 4:   Find cosx= 1 3 for the values between 360 x0
x= 70.53 , 289.47
x= 19.47 , 179.9
x= 70.53 , 340.53
x= 70.53 , 250.53
Question 5:   Find tanx=1 for values between πxπ
x= 45 , 135
x= 45 , 135
x= 45
x= 45 , 45
Question 6:   Find the angle α :


α= 68.66
α= 43.24
α= 73.69
α= 62.81
Question 7:   Calculate the length of AC :


4.5cm
5.67cm
6.41cm
6.92cm
Question 8:   Find the length BC :


8.83cm
10.55cm
11.56cm
11.12cm
Question 9:   Calculate the area of the triangle:


19.26c m 2
22.12c m 2
20.53c m 2
17.64c m 2
Question 10:   Find the angle α , if the area of the triangle is 11.11c m 2


65.41
112.7
40.17
27