You can put this solution on YOUR website! Evaluate cos(sin^-1 2/3) leave your answer as a fraction. show all work
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cos(sin^-1 2/3)
This reads as follows:
cos of an angle whose sin=2/3=opposite side/hypotenuse
adjacent side=√(3^2-2^2)=√(9-4)=√5 (by pythagorean theorem)
cos(sin^-1 2/3)=adjacent side/hypotenuse=√5/3