+0  
 
0
183
1
avatar+1015 

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

AngelRay  Feb 17, 2018
 #1
avatar+91072 
+1

tan (2pi / 3)  = - tan (60°)   = -√3

 

cos ( 11 pi / 6 )  =  cos (30°)  =  √3 / 2

 

 

So....substituting, we have

 

-√3 +  4 (√3 / 2 )  =

 

-√3  + 2√3  =

 

√3

 

 

cool cool cool

CPhill  Feb 17, 2018

28 Online Users

avatar
avatar
avatar
avatar

New Privacy Policy

We use cookies to personalise content and advertisements and to analyse access to our website. Furthermore, our partners for online advertising receive information about your use of our website.
For more information: our cookie policy and privacy policy.