यदि `P(x)=[{:(cosx,sinx),(-sinx,cosx)" तथा "P(y)=[(cosy,siny),(-siny,cosy):}]` तो दर्शाइए कि P(x).P(y)=P(x+y).

If p(x)=[{:(cosx,sinx),(-sinx,cosx):}] then show that p(x)*p(y)=p(x+y) .

If P(x)=[(cosx, sinx),(-sinx, cosx)] , then show that P(x).P(y)=P(x+y)=P(y).P(x) .

If P(x)=[(cosx, sinx),(-sinx, cosx)] , then show that P(x).P(y)=P(x+y)=P(y).P(x) .

(cosx)^(y)=(siny)^(x)

dy/dx=-(cosx(3cosy-7sinx-3))/(siny(3sinx-7cosy+7))

e^(x-y)(sinx+cosx)dx+(cosy-siny)dy=0

(sinx-siny)/(cosx+cosy)=tan(x-y)/(2)

If Delta=|(sinx.cosy,sinx.siny,cosx),(cosx.cosy,cosx.siny,-siny),(-sinxsiny,sinx.cosy,0)| , then Delta is independent of a)x b)y c)constant d)None of these