+0  
 
0
247
2
avatar

For any triangle ABC, prove that a+b = cos A-B/2

                                                      2       sin c/2

Guest Feb 23, 2017

Best Answer 

 #2
avatar+19659 
+20

Do you mean

Mollweide's Formula ?
\((a+b)\sin\frac{C}{2}=c \cdot cos\left(\frac{A-B}{2}\right) \)

 

laugh

heureka  Feb 23, 2017
 #1
avatar+92806 
+5

For any triangle ABC, prove that a+b = cos A-B/2

                                                      2       sin c/2

 

 

Do you mean

 

For any triangle ABC,  prove that

 

\(\frac{a+b}{2}=\frac{cos(A-\frac{B}{2})}{sin(\frac{C}{2})}\)

Melody  Feb 23, 2017
 #2
avatar+19659 
+20
Best Answer

Do you mean

Mollweide's Formula ?
\((a+b)\sin\frac{C}{2}=c \cdot cos\left(\frac{A-B}{2}\right) \)

 

laugh

heureka  Feb 23, 2017

15 Online Users

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.