Find the value of cos 18

Riya Raj's image
Riya Raj
July 30, 2017, 12:03 a.m.

Answers!

Davneet Singh's image
Davneet Singh
July 30, 2017, 1:25 p.m.

Hello Riya

Please check this https://www.teachoo.com/5742/1407/Find-values-of-sin-18--cos-18--cos-36--sin-36--sin-54--cos-54/category/Finding-Value-of-trignometric-functions--given-angle/

 

Comment

Answer the question...

Riya Raj's image