Law of Cosines | Quizalize

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Law of Cosines | Quizalize

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Law of Cosines

Quiz by Macris Sagpang

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Q 1/2
Score 0
Which of the following is not a law of cosine?
30
c2 = a2 + b2 – 2ab (cos C)
b2 = a2 + c2 – 2ac (cos B)
a2 = b2 + c2 – 2bc (cos A)
sinA/a =sinB/b
Q 2/2
Score 0
What formula is used in finding one of the angles of an oblique triangle?
30
a2 = b2 + c2 – 2bc (cos A)
b2 = a2 + c2 – 2ac (cos B)
cos C = c2 - a2 -b2 /2ab
c2 = a2 + b2 – 2ab (cos C)

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2 questions

Q.

Which of the following is not a law of cosine?

1

30 sec

Q.

What formula is used in finding one of the angles of an oblique triangle?

2

30 sec

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