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2 years ago

Trigonometry please help thank youuuu

Mathematics

1 answer:

DerKrebs [107]2 years ago

7 0

Answer:

x=6.3m

Step-by-step explanation:

Let the opposite side be y in 2nd triangle.

tan 27° = y/9

=> tan 27° X 9 = y

∴ y = 4.585m ≈ 4.59m

cos 43° = y/x

=> cos 43° = 4.59/x

=> cos 43° X x= 4.59

=> x = 4.59/cos 43°

∴ x = 6.276m ≈ 6.3m (corrected to 1 dp)

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