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Anuta_ua [19.1K]
2 years ago
5

Use unit circle to determine sine, cosine and tangent functions of the angle 5pi/4

Mathematics
2 answers:
Brrunno [24]2 years ago
5 0
5pi/4 is located in quadrant III.
In Q III, sin and cos are negative, tan is positive.
T-bar for 5pi/4 is pi/4.
sin and cos are - (sqrt 2)/2
Tan is 1
Kobotan [32]2 years ago
5 0
Sin(5π/4)=o/h
cos(5π/4)=a/h
tan(5π/4)=o/a
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