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cos90+2sin90 Evaluate with no calculator

Mathematics
Tutor: None Selected Time limit: 0 Hours

Unit Circle

Nov 19th, 2014

cos 90 =0

sin 90 =1

Answer 0+2*1 = 2

Answer: 2

Nov 19th, 2014

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Nov 19th, 2014
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Nov 19th, 2014
Dec 9th, 2016
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