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cot^2(x)=cos(x)/(sinx)(tanx)
cot^2(x)=cos(x)/(sinx)(tanx)
Answers
Answered by
Bosnian
tan ( x ) = sin ( x ) / cos ( x )
sin ( x ) * tan ( x ) ) sin ( x ) * sin ( x ) / cos ( x ) = sin ^ 2 ( x ) / cos ( x )
cos( x )/ [ sin ( x ) * tan ( x ) ]=
cos ( x ) / [ sin ^ 2 ( x ) / cos ( x ) ] =
[ cos ( x ) / 1 ] / [ sin ^ 2 ( x ) / cos ( x ) ]=
cos ( x ) * cos ( x ) / sin ^ 2 ( x ) * 1 =
cos ^ 2 ( x ) / sin ^ 2 ( x ) = ctg ^ 2 ( x =
sin ( x ) * tan ( x ) ) sin ( x ) * sin ( x ) / cos ( x ) = sin ^ 2 ( x ) / cos ( x )
cos( x )/ [ sin ( x ) * tan ( x ) ]=
cos ( x ) / [ sin ^ 2 ( x ) / cos ( x ) ] =
[ cos ( x ) / 1 ] / [ sin ^ 2 ( x ) / cos ( x ) ]=
cos ( x ) * cos ( x ) / sin ^ 2 ( x ) * 1 =
cos ^ 2 ( x ) / sin ^ 2 ( x ) = ctg ^ 2 ( x =
Answered by
Bosnian
sin ( x ) * tan ( x ) = sin ( x ) * sin ( x ) / cos ( x ) = sin ^ 2 ( x ) / cos ( x )
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