surendhar
surendhar
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1.sinx+cosx=1/cscx+cosx then take l.c.m then 1/cscx+cosx=(1+cscx*cosx)/cscx=cotx+1/csx. 2.cosx/1+sinx=(cosx/1+sinx)*((1-sinx)/(1-sinx)) {conjucating} this equals to (cosx*(1-sinx))/1-sinx^2 this equals to cosx(1-six) / cosx^2 this equals to i-sin…
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1.sinx+cosx=1/cscx+cosx then take l.c.m then 1/cscx+cosx=(1+cscx*cosx)/cscx=cotx+1/csx. 2.cosx/1+sinx=(cosx/1+sinx)*((1-sinx)/(1-sinx)) {conjucating} this equals to (cosx*(1-sinx))/1-sinx^2 this equals to cosx(1-six) / cosx^2 this equals to i-sin…