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Nady [450]
3 years ago
7

The vertices of Figure ABCD are A(1, 1), B(2, 3), C(4, 3), and D(5, 1). If Figure ABCD is reflected over the line y = –1, find t

he coordinates of vertex B’. Enter your answers in the boxes. PLEASE HELP!!!!!
Mathematics
1 answer:
In-s [12.5K]3 years ago
7 0
The coordinates of vertex B’ is (2, -5).
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Given tan θ = 2 and sin θ < 0. Find cos(θ +pi/4)
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Answer:

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Step-by-step explanation:

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Use Pythagorean identity (remember that cos θ < 0).

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Answer:

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