mililanio9 mililanio9

19-05-2020
Mathematics

contestada

Evaluate sin 5pi/4
Thank you

Respuesta :

Аноним Аноним

19-05-2020

Answer:

3.92699081699

Step-by-step explanation:

[tex]\frac{5(3.14)}{4}\\[/tex]=15.7/4

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amna04352 amna04352

20-05-2020

Answer:

-sqrt(2)/2

Step-by-step explanation:

5pi/4 lies in the third quadrant with basic angle: 5pi/4 - pi = pi/4

sin(pi/4) = sqrt(2)/2

Since it's in quadrant 3, sin would be negative

sin(5pi/4) = -sqrt(2)/2

sqrt: square root

Answer Link

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