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OpenStudy (anonymous):
tan x (cos x +cot x)=sin x +1
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OpenStudy (anonymous):
tanx(cosx+cotx)=sinx+1 L.H.S.=tan x (cos x+cot x) =sin x /cos x (cos x+cos x /sin x) =(sin x*cos x)/cosx +sinx/cosx *cosx/sinx =sinx+1 =R.H.S
OpenStudy (anonymous):
is not hard ,surjithayer did it well
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