In the figure, PQ is the tangent from P to the circle QRS with SR as its diameter. If QRS = \(\theta\)^oand RQP = \(\phi\)^o, which of the following relationships between \(\theta\)^o and \(\phi\)^o is correct

A. \(\theta\)^o + \(\phi\)^o = 90²
B. \(\phi\)^o = 90² - 2\(\theta\)^o
C. \(\theta\)^o = \(\phi\)^o
D. \(\phi\)^o = 2\(\theta\)^o
E. \(\theta\)^o + 2\(\phi\)^o  

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Correct Answer: E