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Brut [27]
3 years ago
13

Can someone please help me with this problem thank u :)

Mathematics
1 answer:
koban [17]3 years ago
3 0

Answer:

x = 2

Step-by-step explanation:

8/6 = 4/2 = 2

4/x = 2

to find x :

4/x = 2/1

4 = 2x

4/2 = x

2 = x

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Recall the double angle identity for cosine,

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Recall the Pythagorean identity,

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Cancel the cos²(<em>θ</em>) terms to end up with

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