If a and b are the measures of two first quadrant angles and sin a = 4/9 and sin b = 2/5 find sin(a+b).

C

Step-by-step explanation:

Edge2021

Step-by-step explanation:

we are given

Firstly, we will draw triangle

we get

now, we can sue formula

now, we can plug values

now, we can simplify it

hello i am doing good for you that it's summer in your country or state ; )

btw in my country we just have sun and rain as (because i live in the caribbean lol)

also, thx a lot for the points : )