Mathematics
 SAT官方每日一题附答案和解析[数学](2018年9月4日)](http://pic.kekenet.com/2018/0904/80171536038127.png)
Which of the following is the value of the sine of the angle shown above?
A.-√2/2
B.√2/2
C.45
D.315
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Mathematics
 SAT官方每日一题附答案和解析[数学](2018年9月4日)](http://pic.kekenet.com/2018/0904/80171536038127.png)
Which of the following is the value of the sine of the angle shown above?
A.-√2/2
B.√2/2
C.45
D.315