Use the image below to answer the following question:
A right triangle is shown. The two angles that are not 90 degrees are marked x and y. The leg across from angle y measuring 12, another leg across from angle x measuring 16, and the hypotenuse measuring 20.
What relationship do the ratios of sin x° and cos y° share?
The ratios are opposites (16 over 20 and negative 16 over 20)
The ratios are both identical (16 over 20 and 16 over 20)
The ratios are both negative (negative 16 over 20 and negative 16 over 20)
The ratios are reciprocals (16 over 20 and 20 over 16)

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##### 1 Attachment

- welshfella

sin x = 16/20 = 0.8
sin y = 12/20 = 0.6
so grab ur calc and just find the angles whose sines are 0.8 and 0.6

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## More answers

- anonymous

so find the sin of .8 nd .6?

- anonymous

but the question is what is the relationship they have

- welshfella

on ur calculator it will be the key sin-1 or maybe arcsin

- anonymous

sin-1

- anonymous

53.130 when i do sin-1(.8)

- welshfella

yea enter sin-1 then 0.8 or on some calcs its the other way round

- welshfella

yes thats right

- anonymous

and sin-1(.6) is 36.869 or .36.970

- anonymous

so what now?

- welshfella

i make it 36.87
those are the answers

- anonymous

I'm confused

- welshfella

oh i hadnt seen that
cos y = 16/20
so cos y = sin x

- welshfella

option B

- anonymous

Alright thanks man appreciate it!!

- welshfella

yw

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