Question

if equals to 30 degree and B equal to 60 degree verify that sin a + b = 2 sin a cos b + cos a sin b​

Answer 1

Step-by-step explanation:

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Answer 2

2

Step-by-step explanation:

sin(a+b)=2 Sina cosb + Cosa sinb

sin(30+60)=2 sin30 cos 60+cos30 sin 60

2. 1/2.1/2+root 3/2 . root 3/2

2/2.1/2+3/2

1/2+3/2

4/2

2