Use the image below to answer the following question. What relationship do the ratios of sin x° and cos y° share?
The ratios are opposites (negative 6 over 10 and 6 over 10).
The ratios are reciprocals (6 over 10 and 10 over 6).
The ratios are both negative (negative 10 over 6
the ratios are both identical (6 over 10)
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OpenStudy (littlet):
OpenStudy (anonymous):
right angel is 90%
OpenStudy (welshfella):
sine = opposite / hypotenuse
cosine = adjacent / hypotenuse
OpenStudy (welshfella):
can you tell me the ratio for sine x ?
OpenStudy (littlet):
yeah hold on
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OpenStudy (littlet):
6/10?
OpenStudy (welshfella):
right
so how about cos y?
OpenStudy (littlet):
8/10?
OpenStudy (welshfella):
No
8 is opposite angle y not adjacent to it
The adjacent side is next to the angle.
OpenStudy (littlet):
So then sine would have been 8/10 right? ans Cos is 6/10
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OpenStudy (welshfella):
cos y = 6/10 and sin x = 6/10 also
The side is is OPPOSITE angle x but ADJACENT to angle y.
The terms oppoisite and adjacent are relevant to the angle.
OpenStudy (littlet):
Oh ok so it would be D?
OpenStudy (welshfella):
Yes
Important to remember that the opp and adj sides are relative to the angle.
OpenStudy (littlet):
Alright. Thank you so much!
OpenStudy (welshfella):
yw
OH i meant to say the side 6 is OPPOSITE angle x and ADJACENT to angle y.
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