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OpenStudy (anonymous):
Find the exact value of cot(sin^-1(-1)) a.) undefined b.) -1 c.) 1 d.) 0 Please help!!!
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OpenStudy (anonymous):
answer is c
OpenStudy (anonymous):
cot (x)=cos(x)/sin(x)=cos(asin(-1))/sin(asin(-1))=-cos(asin(-1))=0
OpenStudy (anonymous):
it is D
OpenStudy (anonymous):
cot (x)=cos(x)/sin(x)=cos(asin(-1))/sin(asin(-1))=-cos(asin(-1))=c
OpenStudy (anonymous):
c=1
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OpenStudy (anonymous):
asin(-1)=90 and cos (90)=0
OpenStudy (anonymous):
Thank you AJ
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