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Which of the following expressions is equal to -1? sec90° sin180° csc270°

Which of the following expressions is equal to -1? sec90° sin180° csc270°
asked 228k views
4 votes
Which of the following expressions is equal to -1?
sec90°
sin180°
csc270°

asked
User KLTR
by
8.0k points

1 Answer

2 votes

Answer:

csc 270° is the answer.

answered
User Grafix
by
8.4k points
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