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Mathematics 10 Online
OpenStudy (unofficialllyy):

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 (unofficialllyy):

OpenStudy (anonymous):

what is sin

OpenStudy (anonymous):

in relation to the sides

OpenStudy (unofficialllyy):

opposite/hypotenuse

OpenStudy (anonymous):

that's right

OpenStudy (anonymous):

what is the opposite side

OpenStudy (unofficialllyy):

3

OpenStudy (anonymous):

yep

OpenStudy (anonymous):

how would you find the hyp?

OpenStudy (unofficialllyy):

Pythagorean theorem right?

OpenStudy (anonymous):

yep

OpenStudy (unofficialllyy):

I dont remember how to do it though lol

OpenStudy (anonymous):

a^2 + b^2 = c^2

OpenStudy (anonymous):

a is the lenght of opp, b is the length of adj, and c is the lengh of hyp

OpenStudy (unofficialllyy):

so it would be 3^2+4^2=c^2?

OpenStudy (anonymous):

ya, find c

OpenStudy (unofficialllyy):

What do I do after I get 25=c^2?

OpenStudy (anonymous):

how would you undo ^2?

OpenStudy (unofficialllyy):

square root?

OpenStudy (anonymous):

yep

OpenStudy (unofficialllyy):

5=c

OpenStudy (anonymous):

good job

OpenStudy (anonymous):

what is the ratio for sinx?

OpenStudy (unofficialllyy):

3/5

OpenStudy (anonymous):

correct

OpenStudy (anonymous):

cosy?

OpenStudy (unofficialllyy):

4/5?

OpenStudy (unofficialllyy):

oh y

OpenStudy (anonymous):

ya we're looking at angle y

OpenStudy (unofficialllyy):

3/5?

OpenStudy (anonymous):

good job

OpenStudy (unofficialllyy):

Thank you so much!

OpenStudy (anonymous):

no problem

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