Question
Mon March 26, 2012 By:

find the value of cos 37

Expert Reply
Thu March 29, 2012
Let us construct a right triangle with one side 4 and the angle it makes with the hypotenuse is 370 .
 
Then, by measurement, it can be seen that the perpendicular comes out to be 3 and hypotenuse 5.
Thus , cos37 = base/hypotenus = 4/5 = 0.8
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