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elena-s [515]
2 years ago
8

1. Use trigonometry to work out the value of x. Not drawn accurately. Help pls

Mathematics
1 answer:
tino4ka555 [31]2 years ago
8 0

Answer:

20cos(39) or  15.543 (3 d.p.)

Step-by-step explanation:

  • Use SOHCAHTOA
  • You want to find A and have an angle of 36° and H
  • So use CAH
  • cos(39) = x / 20
  • x = 20cos(39)
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