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Free_Kalibri [48]
4 years ago
5

Explain why two similar right triangles will have the same cosine ratios.

Mathematics
2 answers:
klemol [59]4 years ago
6 0
ABC ,⊿PQR,select an angle ∠ACB =θ

LET θ’s (opp,adj,hypo)=(AB,BC,AC) and (PQ,QR,PR)

Then by similarity,

sinθ=AB/AC=PQ/PR ,cosθ=BC/AC=QR/PR ,tanθ=AB/BC=PQ/QR

the corresponding ratio of (adjacent side/hypotenuse),and hence

the cosine ratio must be the same
135 Views
i think it help
laila [671]4 years ago
6 0
They are proportional.
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The easiest way to solve this is to write the words mathematically. You're told that the product of 4 and a number, b = 3/5.

That means:
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Answer:

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