For each angle θ\displaystyle \theta in standard position, find its exact reference angle in radians.

(i) If θ=5π3\displaystyle \theta=\frac{{{5}\pi}}{{3}} then θ^=\displaystyle \hat{\theta}= 

(ii) If θ=7π4\displaystyle \theta=\frac{{{7}\pi}}{{4}} then θ^=\displaystyle \hat{\theta}= 

(iii) If θ=−5π6\displaystyle \theta=\frac{{-{5}\pi}}{{6}} then θ^=\displaystyle \hat{\theta}= 

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