Question

if3tanA=4 then find sinA and cosA​

Answer 1

Step-by-step explanation:

3tanA = 4

tanA = 4/3

P/B = 4/3

P=4 B=3

H² = P² + B²

H² = 4² + 3²

H² = 16+9

H² = 25

H = 5

SinA = P/H = 4/5

cosA = B/H = 3/5