1.

Sin x=cos x find the value of x

Answer» 45 degrees
Sin x =cos x(as given) =>We can write sin x as cos (90-x) =cosx =>now ,cos from both the sides will b canceled and you would be getting as (90-x) =x=>on solving, 90=x+x90=2x90/2=x45=xHence your answer is x=45
X=45°


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