Answer: 45
Step-by-step explanation:
By factor method,
3 = 1, 3
9= 3, 3
15= 3, 5
LCM= 3*3*5
=45
Sin(a+/-b)=sin(a)cos(b)+/-cos(a)sin(b)
sin(17+26)=sin(17)cos(26)+cos(17)sin(26)
Answer: sin(43)
Life. Harry Styles dropped out of school and look where he is now