Question

Value of cos theta cos 30 cos 45 Cos 60 cos 90 is

Answer 1

Answer:

cos0= 1

cos30=√3/2

cos45=1/√2

cos60=1/2

cos90=0

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Answer 2

Answer:

cos 30°=√3/2

cos 45°=1/√2

cos 60°=1/2

cos 90°=0