Answers

2016-01-23T22:04:39+05:30
Cos 60 = 1/√2 and cos 0 = 1 and hence as the value of cos 0 is greater than the value of cos 60 ..the value nearer to cos 0 is cos 6 and hence it is  is greater..

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2016-01-24T13:27:21+05:30
Cos 60° is smaller
obvious as cos 0° =1 and cos 60° = 1/√2
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