Question

evaluate
sin 36° cos 9° + cos 36° sin 9°​

Answer 1

Answer:

idont no the answer for this question. sorry Iam helpless.

Answer 2

Answer:

1/ root 2

Step-by-step explanation:

as u know this is the formula of sin(a+b)

sinA.cosB+cosA.sinB

sin36.cos9+cos36.sin9

then

sin(36+9)

sin45

1/✓2