- anonymous

exact measures

- chestercat

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- anonymous

##### 1 Attachment

- Nnesha

have u tried anything ?? :=) i'm sure u did

- anonymous

yea so I used tan90=10/b

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## More answers

- Nnesha

alright tan theta = what ?
in general
like cos = adjacent /hyp

- anonymous

tan=o/a

- Nnesha

right opposite over adjacent |dw:1443993344258:dw|
but c is the hypotenuse LONGEST side of right triangle
don't use 90 degree angle to find any side

- anonymous

I also tried using sin33=a/10, but I didn't know what sin33 =

- Nnesha

|dw:1443993462650:dw|
so yes that's right

- Nnesha

use calculator for sin (33)

- Nnesha

but i guess you don't have to solve for isn't it like the previous question we should include sin /cos /tan ration in asnwer

- anonymous

I believe so, because I tried to put in sin 33 in the calculator but the answer came out wrong

- Nnesha

hmm what do you mean wrong ?

- Nnesha

what did you get ?

- anonymous

so I multiplied 10*sin33 inputted that into my calculator and got 5.44

- Nnesha

yes looks good

- anonymous

the thing is they don't want decimals and when I inputted 5 it was incorrect. We can't use arcsin here like we did with the previous one right?

- Nnesha

hmm same mistake again and again
you have to include sin cos ratio
like 10 sin(33) would be the answer they are looking for

- Nnesha

no remember when we have to find an `angle ` then we should take arcsin
for this question we are need sides not angle

- Nnesha

side length *

- Nnesha

that's very important to know

- anonymous

and for b would be 10*cos33=b/10

- Nnesha

hmm when we need b it self so multiply 10 both sides |dw:1443993995455:dw|

- anonymous

thank you very much!

- Nnesha

np just don't ever use 90 degree angle !

- anonymous

makes sense :)

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