Question

if sinA = 3 by 5 ,then find the value of tan A​

Answer 1

Answer:

sinA=3/5

cosA=√(1-(9/25)=4/5

tanA=sinA/cosA=3/4

Answer 2

sinA=3/5

sin^2A+cos^2A=1

cos^2A=1-9/25

cos^2A=16/25

cosA=4/5

tanA=sinA/cosA

tan A=3/4