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I have two questions:
- Page 328 Question 29. Is there a space needed after the sin (superscript)-1 and the open parenthesis?
- Page 340 Questions 30 and 41. Please note the 3:4:5. I don’t think those are ratio colons. So are they treated as colons?
Hi. Thank you for asking these important questions.
Regarding question 29, yes, a space must precede the open parenthesis. The 2007 update to Section 119.a of the Nemeth Code says this: “A space must be left after an unmodified function name or its abbreviation. If the function name or its abbreviation carries a superscript, subscript, modifier, or other braille indicator, the space must follow the superscript, subscript, termination of modifier, or other braille indicator.”
Regarding questions 30 and 41, 3:4:5 is a ratio. It means that the side lengths are in the ratio of 3:4:5.
Lindy
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