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taurus [48]
3 years ago
10

What are the sine, cosine, and tangent of Θ = 3 pi over 4 radians?

Mathematics
1 answer:
Daniel [21]3 years ago
7 0
Our angle teta is:
teta = 3pi/4

since that is larger than pi/2 but less than pi that means that our angle lies in II quadrant (x negative y positive)

sin(3pi/4) = √2/2
cosine and tangent of that angle must be negative because of position of the angle.

cos(3pi/4) = -√2/2
tan(3pi/4) = -1
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