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ikadub [295]
3 years ago
7

Work out the angle of x

Mathematics
1 answer:
Amiraneli [1.4K]3 years ago
3 0

Answer:

a)

Cos60=1/2=0.5

b)

cos60=4/x

0.5=4/x

0.5x=4

0.5x/0.5=4/0.5

x=8

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