In triangle ABC, angle A is straight. AB = 8cm, BC = 10cm. Find AC, sin C, cos C.

univerkov | November 20, 2020 | education

AC = √10 ^ 2-8 ^ 2
AC = √100-64
AC = √36
AC = 6
sinC = AB / AC = 8/6 = 4/3 = 1integer 1/3
cosC = AC / AB = 6/8 = 3/4 = 0.75

One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.