正弦

Traditional form:

正弦

Pinyin (reading):

zhèngxián

Definitions:

• (math.) sine

Characters:

• 正 - straight, right, proper, correct, just, true
• 弦 - bow string; string instrument; hypotenuse

Traditional characters:

• 正 - straight, right, proper, correct, just, true
• 弦 - bow string; string instrument; hypotenuse