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Mathematics 11 Online
princeevee:

i need some help please

princeevee:

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princeevee:

@Pixel

princeevee:

my guess is B, is that right?

princeevee:

@Vocaloid

dude:

Tangent is opposite over adjacent, so no

dude:

Flip it and its right

princeevee:

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princeevee:

@dude

jhonyy9:

cos angle = what ratio ?

princeevee:

24/7?

jhonyy9:

how you got it ?

dude:

Yes 24/7 for the original question

jhonyy9:

but you need get it for second one

jhonyy9:

cos C = ?

princeevee:

0.06?

jhonyy9:

just use the teorem of cosine

jhonyy9:

cos C = adj / hyp yes ?

princeevee:

19 + 576?

princeevee:

49*

jhonyy9:

this for what problem ?

jhonyy9:

for second you need calcule the cos C = ?

princeevee:

and i dont know how

jhonyy9:

the cosine theorem say that the cosine of an angle is equal adjacent side divide hypothenuse

jhonyy9:

so cos C = ?

jhonyy9:

just use the theorem

jhonyy9:

princeevee !!! what is the problem ? please collaborate

princeevee:

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jhonyy9:

this was your second problem

princeevee:

yes

jhonyy9:

just use the cosine theorem what i ve wrote to you above

jhonyy9:

cos C = adjacent side divide hypothenuse

jhonyy9:

this is so easy

jhonyy9:

misty do you understand it please ?

dude:

If jhonny's explanation wasn't clear enough, you can look at this visual 1554844343-5cad0ab764a92e8492065400-image.png

princeevee:

9/41?

jhonyy9:

yes sure

princeevee:

is it right?

princeevee:

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jhonyy9:

tg 31° = x/22 calcule from this ratio

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