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1 vote
Give the exact value of the trigonometric function below:
sin (45)

Give the exact value of the trigonometric function below: sin (45)-example-1
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User Georged
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1 Answer

6 votes

firstable its not 45

its sin(-240)=sin(60)

sin(60)=√3/2

sin45=√2/2

answered
User Pino
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