Question #693   Submitted by Answiki on 10/17/2021 at 07:25:15 PM UTC

What is the definition of the of the cosine rule?

Answer   Submitted by Answiki on 03/10/2022 at 06:25:40 PM UTC


Statement of the law of cosines (also known as the al-Kashi's theorem): the square of any one side of a triangle is equal to the difference between the sum of squares of the other two sides and double the product of other sides and cosine angle included between them.


In the above triangle, we can apply the law of cosines on each side :












18 events in history
Answer by Answiki on 03/10/2022 at 06:25:40 PM


Statement of the law of cosines (also known as the al-Kashi's theorem): the square of any one side of a triangle is equal to the difference between the sum of squares of the other two sides and double the product of other sides and cosine angle included between them.


In the above triangle, we can apply the law of cosines on each side :












Question by Answiki 10/17/2021 at 08:21:15 PM
What is the statement of the of the cosine rule?
Question by Answiki 10/17/2021 at 08:21:03 PM
What is the statement of the al-Kashi's theorem?
Question by Answiki 10/17/2021 at 08:20:53 PM
What is the statement of the law of cosines?
Answer by Answiki on 10/17/2021 at 07:49:57 PM


Statement of the law of cosines (also known as the al-Kashi's theorem): the square of any one side of a triangle is equal to the difference between the sum of squares of the other two sides and double the product of other sides and cosine angle included between them.


In the above triangle, we can apply the law of cosines on each side :












Answer by Answiki on 10/17/2021 at 07:49:06 PM

Statement : the square of any one side of a triangle is equal to the difference between the sum of squares of the other two sides and double the product of other sides and cosine angle included between them.


In the above triangle, we can apply the law of cosines on each side :












Answer by Answiki on 10/17/2021 at 07:48:40 PM

Statement : the square of any one side of a triangle is equal to the difference between the sum of squares of the other two sides and double the product of other sides and cosine angle included between them.


In the above triangle, we can apply the law of cosines on each side :










Question by Answiki 10/17/2021 at 07:26:04 PM
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Question by Answiki 10/17/2021 at 07:25:15 PM
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Question by Answiki 10/17/2021 at 07:24:35 PM
What is the equation of the of the law of cosines?
Question by Answiki 10/17/2021 at 07:24:28 PM
What is the equation of the of the lax of cosines? replaced by #690.
Question by Answiki 10/17/2021 at 07:24:02 PM
What is the definition of the al-Kashi's theorem?
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