cos-1(cos5π/3)+sin-1(sin5π/3)
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this is very simple,
according to one of the theorems of inverse trigo,
cos-1(cosx) =x, and
sin-1(sinx)=x
thus you would get, 5π/3 + 5π/3 =10π/3
hope this helps!
according to one of the theorems of inverse trigo,
cos-1(cosx) =x, and
sin-1(sinx)=x
thus you would get, 5π/3 + 5π/3 =10π/3
hope this helps!
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