Trigonometry - Challenging

Question 1: Find

x

A

x = 9.76

B

x = 10.73

C

x = 0.82

D

x = 8.21

Question 2: Find

α

A

α = 43.13 °

B

α = 38.82 °

C

α = 40.11 °

D

α = 27.25 °

Question 3: Find

x

A

x = 13.79

B

x = 12.28

C

x = 14.84

D

x = 14.17

Question 4: Find

\cos x = \frac{1}{3}

for the values between

- 360^{\circ} \leq x \leq 0

A

x = - {19.47}^{\circ}, - {179.9}^{\circ}

B

x = - {70.53}^{\circ}, - {289.47}^{\circ}

C

x = - {70.53}^{\circ}, - {340.53}^{\circ}

D

x = - {70.53}^{\circ}, - {250.53}^{\circ}

Question 5: Find

\tan x = - 1

for values between

- π \leq x \leq π

A

x = - 45^{\circ}

B

x = - 45^{\circ}, 45^{\circ}

C

x = - 45^{\circ}, 135^{\circ}

D

x = 45^{\circ}, 135^{\circ}

Question 6: Find the angle

α

:

A

α = {43.24}^{\circ}

B

α = {68.66}^{\circ}

C

α = {62.81}^{\circ}

D

α = {73.69}^{\circ}

Question 7: Calculate the length of

A C

:

A

6.41 c m

B

4.5 c m

C

6.92 c m

D

5.67 c m

Question 8: Find the length

B C

:

A

8.83 c m

B

10.55 c m

C

11.12 c m

D

11.56 c m

Question 9: Calculate the area of the triangle:

A

17.64 c m^{2}

B

19.26 c m^{2}

C

22.12 c m^{2}

D

20.53 c m^{2}

Question 10: Find the angle

α

, if the area of the triangle is

11.11 c m^{2}

A

{40.17}^{\circ}

B

{112.7}^{\circ}

C

{65.41}^{\circ}

D

27^{\circ}

Test: Trigonometry - Challenging

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