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sin(v+180)=-sin v , cos(v+180)=-cos v
Author:
Asum
opposite-angle identities
GeoGebra
New Resources
Parallel or Not? (V2)
Pelecoid
Stairs (Optical Illusion)
Viviani's Window
Piano. Keyboard.
Discover Resources
airePerimetre
Pentagon Angles
Copacel-Copacel<Fractali>
test book
geometry week 7
Discover Topics
Complex Numbers
Cosine
Piecewise Functions
Centroid or Barycenter
Pie Chart or Circle Chart