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Mathematics 8 Online
OpenStudy (anonymous):

Use the image below to answer the following question. Find the value of sin x° and cos y°. What relationship do the ratios of sin x° and cos y° share?

OpenStudy (anonymous):

@waterineyes

OpenStudy (anonymous):

@waterineyes please:( i dont understand

OpenStudy (anonymous):

@e.mccormick @AriPotta

OpenStudy (anonymous):

@waterineyes this is what I wrote, but I'm know sure I first used the Pythagorean Theorem to find the hypotenuse of the triangle to get 12^2+5^2=c^2 which is 144+25=c^2 which is 169=c^2 which would be 13. Then, sin x° = 5/13 and cos y° =5/13 . So that is the relationship the ratios share. They are both the same because its a right triangle.

OpenStudy (e.mccormick):

I would add in the sine=opp/hyp and cosine=adj/hyp stuff. Then, what they are sharing is the side measurements because the side opposite x is adjacent to y and both use the same hypotenuse.

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