In Rttriangle ABC, angle C = 90.0, AB = 2.0, BC = 1.0, then the value of sinB is ()
Choices:
A:\frac{1}{2}
B:\frac{√{2}}{2}
C:\frac{√{3}}{2}
D:2
Please directly answer the question and provide the correct option letter, e.g., A, B, C, D.
Question: In Rttriangle ABC, angle C = 90.0, AB = 2.0, BC = 1.0, then the value of sinB is ()
Choices:
A:\frac{1}{2}
B:\frac{√{2}}{2}
C:\frac{√{3}}{2}
D:2
Please first conduct reasoning, and then answer the question and provide the correct option letter, e.g., A, B, C, D, at the end.
Question: In Rttriangle ABC, angle C = 90.0, AB = 2.0, BC = 1.0, then the value of sinB is ()
Choices:
A:\frac{1}{2}
B:\frac{√{2}}{2}
C:\frac{√{3}}{2}
D:2