Express 2. cos4∅.cos 2∅ as sum or difference of two trigonometric function

Question

Express 2. cos4∅.cos 2∅ as sum or difference of two trigonometric function​

Ella · Answer

Answer:    521y1(y) { {y  frac{2 +  + 23}{?} }^{?} }^{2} . |4 + 2|       Step-by-step explanation:   t uetgdidrcsgi the group consisting I will be a nice

Kaylee

GOLFONDA
which
of the following polygons is convex polygons

the ratio of 15 mm to 4m is
a.3:8
b.3:80
c.3:800
d.3:8000

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