Trigonometric Ratios

Determine the value correct to four decimal places

 $\sin\ 38.1\degree$  

• 0.6170
  

• 0.7157

• 0.7841

• 0.7869
  

Determine the value correct to four decimal places

 $\cos54\degree\ 5'\$  

• 1.3806

• 0.8099

• 0.5866

• 0.5807

Determine the value correct to four decimal places

 $\tan\ 44\degree\ 5'$  

• 0.9827

• 0.9685

• 0.7183

• 0.6957

Determine the value correct to four decimal places

 $\sin\ 41\degree\ 38'$  

• 0.6610

• 0.6643

• 0.6644

• 0.7474

Determine the value correct to four decimal places

 $\cos\ 9.6\degree$ 

• 0.9859

• 0.9860

• 0.9874

• 0.9928

Determine the value correct to four decimal places

 $\tan\ 73\degree$ 

• 0.1236

• 0.1281

• 3.2708

• 3.2709

Find the size of angle  $\theta$ 

 $\sin\ \theta=0.7511$  

•  $49\degree$  

•  $48\degree\ 35'$  

•  $48\degree\ 36'$  

•  $48\degree\ 41'$  

Find the size of angle  θ

 $\cos\theta=0.0655$ 

•  $86\degree\ 14'$  

•  $86\degree\ 15'$  

•  $86\degree\ 33'$  

•  $86\degree\ 34'$  

Find the size of angle  θ

 $\tan\theta=3.7342$ 

•  $75\degree\ 1'$  

•  $75\degree$  

•  $74\degree\ 52'$  

•  $74\degree\ 53'$  

Find the size of angle  θ

  $\tan\theta=4.7854$ 

•  $77\degree\ 59'$  

•  $78\degree$  

•  $78\degree\ 11'$  

•  $78\degree\ 12'$