+0  
 
0
112
5
avatar

What is the exact value of the trigonometric expression in simplest form?

 

2cos(3π/4)−4sin(7π/6)

 Dec 5, 2018
 #1
avatar+17331 
+1

2 (-sqrt2/2)  - 4 (-1/2) = -sqrt 2 +2

 Dec 5, 2018
 #3
avatar
0

−2-√-2

 

2+√2

 

2−√2

 

−2+√2

 

these are the only options ,I cant find which one matches with your response

Guest Dec 5, 2018
 #2
avatar
0

I meant to respond to your response

 Dec 5, 2018
edited by Guest  Dec 5, 2018
edited by Guest  Dec 5, 2018
 #4
avatar+17331 
+1

-sqrt2 +2     =    2 - sqrt2      Third choice

 Dec 5, 2018
 #5
avatar
0

That makes sense, i see it now.Thank You

Guest Dec 5, 2018

8 Online Users

avatar
avatar
avatar