Law of Cosines: Find an Angle - VividMath.com
Get your free lessons: https://vividmath.com
Use the Law of Cosines (Cosine Rule) to find a Missing Angle in a Non-Right Angled Triangle.
See all Trigonometry lessons: https://vividmath.com/trigonometry/tr...
_________________________________________________________
Social:
YouTube: / vividmath
Facebook: / vividmath
Twitter: / vividmath
_________________________________________________________
About VividMath:
VividMath is an online math platform designed to help high school students boost their exam results. Learn from over 4000 video lessons and practice exercises at: http://bit.ly/2RrlyYm
#vividmath #trigonometry #lawofcosines