1.

3 Tn theADP0

Answer»

OP perpendicular XY

So, /_XOQ= /_QOY

(each 90 degree)------------> (i)

/_QOP=/_XOQ- /_XOP--------------> (ii)

/_QOP = /_POY- /_QOY --------------> (iii)

But, /_QOP= /_ QOY- /_XOP[from (i)]

adding (ii) and (iii)

2/_QOP=/_QOY - /_XOP+ /_POY-/_QOY=> 2/_QOP= /_POY - /_XOP



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