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CBSE Gujarat Board Haryana Board

Previous Year Papers

Download the PDF Question Papers Free for off line practice and view the Solutions online.
Currently only available for
Class 10 Class 12

ત્રિકોણમિતીય વિધેયો

નીચેના વિધેયનું શૂન્ય શોધો :
cot 3x

વિધેયનાં શૂન્યોનો ગણ $open curly brackets open parentheses bold 2 bold k bold space bold plus bold space bold 1 close parentheses bold space bold pi over bold 2 bold space bold vertical line bold space bold k bold space bold element of bold space bold Z close curly brackets$ છે.

$bold therefore bold space bold cot bold space bold 3 bold x bold space bold equals bold space bold 0 bold space bold left right double arrow bold space bold 3 bold x bold space bold equals bold space open parentheses bold 2 bold k bold space bold plus bold space bold 1 close parentheses bold space bold pi over bold 2 bold comma bold space bold k bold space bold element of bold space bold Z bold space bold space bold space bold space bold space bold space bold space bold space bold space bold space bold space bold space bold space bold space bold space bold space bold space bold space bold space bold left right double arrow bold space bold x bold space bold equals bold space open parentheses bold 2 bold k bold space bold plus bold space bold 1 close parentheses bold space bold pi over bold 6 bold comma bold space bold k bold space bold element of bold space bold Z$