<span>we know that cos(a - b) = cos(a) cos(b) + sin(a) sin(b)
given a = π/3 and b = π/5
cos(π/3) cos(π/5) + sin(π/3) sin(π/5) = cos((π/3) - (π/5) = cos(2π/15)
hope it helps
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5 0

3 years ago

A triangle with vertices at A(20, –30), B(10, –15), and C(5, –20) has been dilated with a center of dilation at the origin. The

eduard

I would say b i dont really know sorry

8 0

2 years ago

15 points!! Will mark brainliest.

11Alexandr11 [23.1K]

Answer:

The answer would be option 2.

6 0

3 years ago

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