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Plzzz hellllpp ....trigonometry​
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Plzzz hellllpp ....trigonometry​

Plzzz hellllpp ....trigonometry​-example-1
User Saurabh Lalwani
by
3.7k points

2 Answers

5 votes

Answer:

AB ≈ 5.6 cm

Explanation:

Using the cosine ratio in the right triangle

cos62° =
(adjacent)/(hypotenuse) =
(AB)/(BC) =
(AB)/(12) ( multiply both sides by 12 )

12 × cos62° = AB , thus

AB ≈ 5.6 cm ( to 1 dec. place )

User Anjuman
by
4.2k points
5 votes

Answer:

7.4 cm

Explanation:

cos 52 = x/12

x = 12 cos 52

x = 7.4 cm

User Ian McGowan
by
4.0k points
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