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OpenStudy (anonymous):
Pleaseee help!!!! Find the exact value of cot(sin^-1(-1))
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OpenStudy (anonymous):
OpenStudy (zzr0ck3r):
when sinx is at -1 cosx is undefined
OpenStudy (zzr0ck3r):
also, anytime we have an inverse trig function and the domain is not restricted, then we will have infinite answers (if we have answers)
OpenStudy (anonymous):
Oh okay! I didn't understand at all at first, but you explained it and it's all good now! Thank you for helping me out~ (:
OpenStudy (zzr0ck3r):
np
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OpenStudy (zzr0ck3r):
err I mean when sinx = -1 cos(x) = 0 and thus cot(x) is undefined. sorry
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