Question

If A = 30° B = 60° Sin(A+B)=SinA.CosB+CosA.SinB

Answer 1

Answer:

Step-by-step explanation:

Sin(30+60)=Sin30.Cos60 +Cos30.sin60

Sin90=Sin30.cos60+cos30.sin60

1=1/2x1/2 + root3/2xroot3/2

1=1/4+3/4

1=4/4

1=1

Proved

Answer 2

simple question

i think u do so