In a right triangle,what do you call the ratio of the lengths of the adjacent side of an acute angle to the hypotonuse?
A.sine
B.cosine
C.tangent
D.secant
A.sine
B.cosine
C.tangent
D.secant
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Answer:
B. cosine
Step-by-step explanation:
We define the side of the triangle opposite from the right angle to be the hypotenuse. It is the longest side of the three sides of the right triangle. ... The ratio of the adjacent side of a right triangle to the hypotenuse is called the cosine and given the symbol cos.