billy18 billy18

13-07-2016
Mathematics

contestada

Can someone please answer. There is one problem. There's a picture. Thank you!!

Can someone please answer There is one problem Theres a picture Thank you class=

Respuesta :

olemakpadu olemakpadu

17-07-2016

Cos(-θ) = Cosθ By trigonometric identity.

Cos(-360) = Cos360

Cos360 = 1

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