Find the cos(19pi/6)
Mathematics · High School · Tue Nov 03 2020
llm
Answered on
We have, cos (19π/6)
=cos (19π/6)
= cos (3π+π/6)
= - cos (π/6)
−cos(π/6) = −√3 /2
Hence, cos (19π/6) is equal to −√3 /2 .