Get reliable answers to your questions at Westonci.ca, where our knowledgeable community is always ready to help. Get immediate and reliable solutions to your questions from a knowledgeable community of professionals on our platform. Explore comprehensive solutions to your questions from a wide range of professionals on our user-friendly platform.

a^(2)=14^(2) 15^(2)-2(14)(15)cos19 find a^(2)

STEP BY STEP PLEASE