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What basic trigonometric identity would you use to verify that sinx cosx tanx=1-cos^2x
answered
Nov 15, 2017
Mathematics
high-school
5
votes
154k
views
Gladiatorial games and circuses took place where
answered
Aug 13, 2017
History
middle-school
4
votes
49.2k
views
Tamera has test scores of 88,78,98,88, and 78. She was told that her final test grade average is the highest C possible as a whole number. What was her last test score?
answered
Jun 30, 2017
Mathematics
middle-school
5
votes
66.2k
views
The price of one nation's currency is called?
answered
Jul 22, 2016
Social Studies
middle-school
3
votes
226k
views
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