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CBSE Class 10 Answered

why is tan 90 = infinity ?  
Asked by vivekagg4088 | 19 Jan, 2018, 05:05: PM
answered-by-expert Expert Answer
observe the graph as we plot different values tan tends to infinity at 90
begin mathsize 16px style tan space 90 equals fraction numerator sin space 90 over denominator cos space 90 end fraction equals 1 over 0 here space 0 space represent space very space small space value so space fraction numerator 1 over denominator small space value space end fraction equals infinity end style
Answered by Arun | 19 Jan, 2018, 05:27: PM

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