Use the unit circle below to find all real numbers t between 0 and 2 p for which cos t = 0.9. Estimate answer to the nearest tenth.
A)0.5, 5.8
B)4.3, 5.2
C)2.0, 0.5
D)2.7, 3.6
E)1.1, 2.0

Question

Use the unit circle below to find all real numbers t between 0 and 2 p for which cos t = 0.9. Estimate answer to the nearest tenth. 
A)0.5, 5.8 
B)4.3, 5.2 
C)2.0, 0.5 
D)2.7, 3.6 
E)1.1, 2.0

Quizplus · Accepted Answer

The Answer of Use the unit circle below to find all real numbers t between 0 and 2 p for which cos t = 0.9. Estimate answer to the nearest tenth. 
A)0.5, 5.8 
B)4.3, 5.2 
C)2.0, 0.5 
D)2.7, 3.6 
E)1.1, 2.0

Use the Unit Circle Below to Find All Real Numbers