+0  
 
0
241
1
avatar+2297 

Part of a two-­column proof is shown with just the statements described.

 Feb 22, 2018
 #1
avatar+94545 
+3

Statements  1  and 2 only

These statements are the definitions of  sin (x) and cos(y), respectively

 

Statement 4  is a consequence of substitution

 

So  "C"  is correct

 

 

cool cool cool

 Feb 22, 2018

15 Online Users

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.