Question

cos formula please answer​

Answer 1

Answer:

The law of cosines generalizes the Pythagorean formula to all triangles. It says that c2, the square of one side of the triangle, is equal to a2 + b2, the sum of the squares of the the other two sides, minus 2ab cos C, twice their product times the cosine of the opposite angle.

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Answer 2

Answer:

The law of cos the Pythagoras theorem to all traingles.It says that c2,the square of the one side of the traingle is equal to a2+b2 the sum of the square of the other two sides minus 2ab cosC, twice their product times the cos of the opposite angle.