Question

sin 30° + sin 45° + sin 60° + sin90°​

Answer 1

Step-by-step explanation:

1/2+1/√2+√3/2+1=3•07313218497

Answer 2

Answer:

sin30= 1/2

sin45=1/√2

sin60=√3/2

sin 90=1

Step-by-step explanation:

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