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Mathematics 21 Online
OpenStudy (anonymous):

lim (sin a + sin 5a) / (cos a + cos 5a) a-> pi/4

OpenStudy (anonymous):

hi erkot what is the answer

OpenStudy (anonymous):

1

OpenStudy (anonymous):

How

OpenStudy (anonymous):

That's what i'd like to know .

OpenStudy (zarkon):

the answer is -1 use L'Hospitals rule

OpenStudy (anonymous):

Could you solve it?

OpenStudy (anonymous):

Not yet

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