sin, cosine, and tangent4

Mathematics
Tutor: None Selected Time limit: 1 Day

  1. Find the sine of 225°.


Oct 21st, 2014

sin 225=sin(180+45)  as sin(180+A)=-sinA

=-sin45=-1/√2=-0.707

Oct 21st, 2014

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Oct 21st, 2014
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Oct 21st, 2014
Dec 8th, 2016
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