Question

If sinƟ = 4/5 then cosƟ = ? *
1 point
5/4
3/5​

Answer 1

the answer is 3/5 and the proof is attached below

Answer 2

Answer:

cosƟ=3/5

Step-by-step explanation:

sinƟ=P/H =4/5

on comparing :

P=4 and. H=5

H²=P²+ B²

B²=5²- 4²=25-16

B=3

cosƟ=B/H=3/5