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Mathematics 19 Online
Nicole:

http://prntscr.com/s3izp6

Nicole:

@darkknight

Nicole:

so for this

TheSmartOne:

What is csc

Nicole:

csc is hypo/side opposite

TheSmartOne:

csc = 1/sin so yeah you're right So what is the opposite side and what is the hypotenuse

Nicole:

the hypo is 3.9 and the opposite is 3.6

Nicole:

so 3.9/3.6

TheSmartOne:

So the angle is something that's in between two sides We say that the adjacent side is one of those sides, the other one is also adjacent but it's considered the hypotenuse The opposite side would be the other side Does that make sense?

Nicole:

Yeah its slowly going thru my head

Nicole:

3.9/1.5

Nicole:

so wouldn't the answer be 5/12

Nicole:

or am I wrong

TheSmartOne:

Bingo, now we just have to simplify it Just multiply numerator and denominator by 10 so we can get rid of the decimal 39/15 Both of these are divisible by 3 so divide the numerator and denominator

TheSmartOne:

You can always check with a calculator but you can see really quickly that you aren't 3.9/1.5 This has to be a number that's greater than 1. 5/12 would be something less than 1

TheSmartOne:

^that trick alone can eliminate three of your answer choices so you don't even need to pull out the calculator xD

Nicole:

So its 13/5

Nicole:

since anyway 39/15 simplified is 13/5

TheSmartOne:

Spot on

Nicole:

thank you

TheSmartOne:

3fwan

Nicole:

shukran*

TheSmartOne:

Thought 3fwan was the response to shukran lolll

Nicole:

it is I was fixing myself since you said afwan I was supposed to say shukran not thank you

TheSmartOne:

ohhh ye ye

TheSmartOne:

I thought you were correcting me 😂

Nicole:

No sir I was correcting myself 💀

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