+0  
 
0
221
2
avatar+295 

evaluate cos(162°). Round to 2 decimal places.

 

 

My answer:-0.95

Deathstroke_rule  Mar 3, 2017

Best Answer 

 #2
avatar+87309 
+10

Correct, DR  !!!!

 

162°  lies in the second quad.....it should take on a negative value for the cosine....

 

[ Note.....Math Guy.....you were in radian mode, rather than degree mode.......a common mistake !!!  ]

 

 

cool cool crying

CPhill  Mar 3, 2017
 #1
avatar+123 
0

I get that the cosine of 162 is 0.20 but geometry is not my area of expertise.

TheMathGuy  Mar 3, 2017
 #2
avatar+87309 
+10
Best Answer

Correct, DR  !!!!

 

162°  lies in the second quad.....it should take on a negative value for the cosine....

 

[ Note.....Math Guy.....you were in radian mode, rather than degree mode.......a common mistake !!!  ]

 

 

cool cool crying

CPhill  Mar 3, 2017

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