Question

sabendo que sec x = 5/3 , determine as demais funções circulares​

Answer 1

cosx = 1/ secx = 1/ 5/3 = 3/5

senx =√1-cos²x =√1-(9/25)=√16/25= 4/5

cossecx = 1/ senx = 5/4

tgx = senx/cosx = 4/5 / 3/5 = 4/3

cotgx = 1/ tgx = 1/ 4/3 = 3/4