The problem looks like the product of three cosines whose angles are known. Use your calculator to find the values of cos(10o), cos(20o) and cos(40o) then multiply the values together.
Prasenjeet S.
asked • 07/13/14How to find value
Cos(10).cos(20).cos(40)=?
Angles are in Degree
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Prasenjeet S.
07/13/14