Find the exact value of each of the following using the reference angle theorem rather than a calculator. 

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

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

(iii) If θ=−3π4\displaystyle \theta=\frac{{-{3}\pi}}{{4}} then θ^=\displaystyle \hat{\theta}= 

 

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