Question

find the mean and mode of cos0°,sin30°,tan45°,cos60° and sin90°

Answer 1

Cos 0 , sin 30, Tan45 , Cos60 and sin90

1 , 1/√2 , 1 , 1/√2 , 1

Mode = 1

Mean = 1+1+1+1/√2+1/√2

= 3√2+2/√2

= 6+2√2/2

= 3+√2

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