Mathematics
8 Online
OpenStudy (sbuck98):
Someone help me please, I'll fan, medal, and help you in any other subjec
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OpenStudy (sbuck98):
@vishweshshrimali5
OpenStudy (vishweshshrimali5):
Again we will use tan formula
OpenStudy (sbuck98):
so I do 8/7 or 7/8?
OpenStudy (vishweshshrimali5):
8/7
OpenStudy (sbuck98):
1.14
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OpenStudy (sbuck98):
and now I do the tan of that right?
OpenStudy (vishweshshrimali5):
Now what will be the angle?
OpenStudy (sbuck98):
48.74
OpenStudy (vishweshshrimali5):
Perfect!
OpenStudy (sbuck98):
it showed it was incorrect
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OpenStudy (vishweshshrimali5):
Try entering 48.8
OpenStudy (vishweshshrimali5):
Wait to nearest thousandth
OpenStudy (vishweshshrimali5):
48.814
OpenStudy (sbuck98):
that worked
OpenStudy (sbuck98):
48.8 was right
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OpenStudy (vishweshshrimali5):
Okay !
OpenStudy (sbuck98):
OpenStudy (vishweshshrimali5):
Now time to introduce a new formula... now we will use cos...
|dw:1459131555362:dw|
OpenStudy (vishweshshrimali5):
So, what will be cos x in the question?
OpenStudy (sbuck98):
9/5
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OpenStudy (sbuck98):
wait.. 5/9
OpenStudy (vishweshshrimali5):
Yeah! 5/9
OpenStudy (sbuck98):
so I find the decimal or just type it in with cosine?
OpenStudy (vishweshshrimali5):
So for finding out x, use cos -1 this time
OpenStudy (sbuck98):
ok!
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OpenStudy (sbuck98):
56.25
OpenStudy (vishweshshrimali5):
Perfect!!
OpenStudy (sbuck98):
is that my answer?
OpenStudy (vishweshshrimali5):
Yeps
OpenStudy (sbuck98):
ok thats rounded to the nearest hundredth?
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OpenStudy (vishweshshrimali5):
Yeah
OpenStudy (sbuck98):
OpenStudy (vishweshshrimali5):
Again use cos
OpenStudy (vishweshshrimali5):
What will be cos x?
OpenStudy (sbuck98):
2/5
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OpenStudy (vishweshshrimali5):
Perfect
OpenStudy (sbuck98):
66.42 is that rounded to the nearest hundredth?
OpenStudy (vishweshshrimali5):
Wait
OpenStudy (vishweshshrimali5):
Yeah
OpenStudy (sbuck98):
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OpenStudy (vishweshshrimali5):
Again... cos
OpenStudy (vishweshshrimali5):
cos x is ?
OpenStudy (sbuck98):
2/7
OpenStudy (vishweshshrimali5):
Perfect1
OpenStudy (sbuck98):
73.398 which is rounded to 73.40 right?
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OpenStudy (vishweshshrimali5):
Yeps
OpenStudy (sbuck98):
OpenStudy (vishweshshrimali5):
This one is what i was looking for
OpenStudy (vishweshshrimali5):
Time to introduce the last one sin...
|dw:1459132328746:dw|
OpenStudy (sbuck98):
7/9
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OpenStudy (vishweshshrimali5):
So what will be sin (x) ?
OpenStudy (vishweshshrimali5):
Perfect
OpenStudy (vishweshshrimali5):
Now, to find x use sin-1
OpenStudy (sbuck98):
do I use sin-1?
OpenStudy (vishweshshrimali5):
Yeps
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OpenStudy (sbuck98):
51.057 which rounds to 51.06?
OpenStudy (vishweshshrimali5):
Yeps
OpenStudy (sbuck98):
OpenStudy (vishweshshrimali5):
Again sin x
OpenStudy (vishweshshrimali5):
So what is sin x here?
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OpenStudy (sbuck98):
4/9
OpenStudy (vishweshshrimali5):
Perfect!
OpenStudy (vishweshshrimali5):
So what will be x?
OpenStudy (sbuck98):
26.387 which rounds to 26.39?
OpenStudy (vishweshshrimali5):
Yeps
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OpenStudy (sbuck98):
OpenStudy (vishweshshrimali5):
This time also we will use sin... but since we are already given the angle.. we can find out the sin of it