How to find the side of a triangle given one side and one angle calculator

Mathematics

1 answer:

densk [106]3 years ago

7 0

Answer:

Check below :)

Step-by-step explanation:

If you are asked to find a side of a triangle using a given side and an angle. You should check if it is a right-angled triangle, if it is then you can use the SOH, CAH, TOA which uses the formulae as shown:

sinΘ= $\frac{opposite}{hypotenuse}$

cosΘ= $\frac{adjacent}{hypotenuse}$

tanΘ= $\frac{opposite}{adjacent}$

(Search them online for detailed explanation about trigonometry on right-angled triangles)

If it is not right-angled triangles, you need to double-check if there is another side given or angle given to use the sine rule or cosine rule

Sine rule: 2 angles and opposite side/ 2 sides and opposite angle

Cosine rule: involves 3 sides and one angle

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