sammybrain
27.11.2019 •
Mathematics
How would you classify this polygon
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Ответ:
A) convex and regular
Step-by-step explanation:
The polygon has all equal sides so it's regular ; 8 equal sides so it's a regular octagon.
An octagon has no angles pointing inwards so it's convex
convex and regular
Ответ:
cos(2u + 2u) = cos²(2u) - sin²(2u)
cos(2u)cos(2u) - sin(2u)sin(2u) = cos²(2u) - sin²(2u)
cos²(2u) - sin²(2u) = cos²(2u) - sin²(2u)