How would I solve these where the answer is a fraction, not a decimal? sin(420∘) cos(420∘)...

Question

Question

How would I solve these where the answer is a fraction, not a decimal?

sin(420∘)

cos(420∘)

sin(17π4)

cos(17π4)

Answer 1

Answer #1

9t cam bwritten as Aim 36060 sm (2n+0) dm6 kn funition is tve n duadsont I J3 Ces (420) = Cos(30060) Cos funtion is pesiuve

Answer 2

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