08-07-2019
Mathematics

contestada

Which expression is equivalent to sin^2 X-sinX-2/sinX-2

Which expression is equivalent to sin2 XsinX2sinX2 class=

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bijaypokhrel0572 bijaypokhrel0572

08-07-2019

Answer;
Detail solution ,
(Sin^2X-sinX-2)/sinX-2
=(Sin^2X-2sinX+sinX-2)/(sinX-2)
={sinX(sinX-2)+1(sinX-2)}/(sinX-2)
=(SinX-2)(sinX+1)/(sinX-2)
Canceling the (sinX-2) from numerator and
denominator,we get
=(sinX+1).,,Ans#

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