BTEC Level 3 Engineering - Unit 1 - A1

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A1

Last updated 12:11 PM on 4/15/26

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1

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how do you convert radians into radius

rad * 180/pi

2

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how do you convert radius into radians

radius * pi/180

3

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how much radius is in 1 radian

57.296 Degrees

4

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when do you use sine

ASA/AAS or SSA

5

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when do you use cosine

SAS or SSS

6

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how do you find an angle using the cosine rule

CosA = b² + c² - a²/2bc