Mathematics
21 Online
OpenStudy (anonymous):
estimate f'(0) if f(x) =sinx, with x in degrees
round estimate to four decimal places
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OpenStudy (kc_kennylau):
Oh God this question again
OpenStudy (anonymous):
its come up before?
OpenStudy (kc_kennylau):
This question has already been asked in open study, our conclusion was that this question is not well set
OpenStudy (kc_kennylau):
Because cos(0)=1 and the answer should be 1
OpenStudy (kc_kennylau):
But the answer in the end turns out that
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OpenStudy (kc_kennylau):
turns out that they want us to approach from the right and stop when it agrees to 4 decimal places
OpenStudy (kc_kennylau):
And yes its come up before
OpenStudy (anonymous):
so how would i solve it?
OpenStudy (kc_kennylau):
Approach from the right and stop when it agrees to 4 decimal places
OpenStudy (kc_kennylau):
this function \(\dfrac{\sin x}x\)
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OpenStudy (kc_kennylau):
But I followed the answer's method and I still came up with 1
OpenStudy (kc_kennylau):
Or can you try 0.9999?
OpenStudy (anonymous):
doesn't work
OpenStudy (kc_kennylau):
Yep this question is flawed I can't even get the answer using their method
OpenStudy (kc_kennylau):
Just ignore this question lol
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OpenStudy (anonymous):
lol its part of my grade tho
OpenStudy (anonymous):
but thanks anyways
OpenStudy (kc_kennylau):
no problem
OpenStudy (anonymous):
the answer is .0175
OpenStudy (kc_kennylau):
Wow what
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OpenStudy (kc_kennylau):
This question is wrong end of story