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Woodblock printing allowed the Chinese to
answered
Aug 6, 2018
History
middle-school
4
votes
207k
views
How does the water cycle "feed" itself
answered
Apr 16, 2018
Biology
high-school
3
votes
100k
views
What is the length of time a loan will last if it has a rate of 0.02, a principal of $500, and it accrued $60 of interest if Interest = Principal * Rate * Time. How would you reduce the time of the loan?
answered
Mar 21, 2018
Mathematics
college
6
votes
11.5k
views
Are there any early historical facts about oklahoma
answered
Feb 20, 2018
Social Studies
high-school
6
votes
224k
views
Why would the British care if there were French troops in America
answered
Nov 20, 2017
Social Studies
middle-school
1
vote
61.6k
views
For the first derivative of f(theta)=2cos(theta)+cos^2(theta), I got f'(theta)=-2sin(theta)+2cos(theta)-sin(theta)=0 After simplifying it, the book had (-sin(theta))(1+cos(theta))=0 ... how did they get
answered
Oct 18, 2017
Mathematics
high-school
6
votes
188k
views
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