Determine the Angle $\theta$ Through Which the Axes Are Rotated $5 x ^ { 2 } - 4 x y + 6 y ^ { 2 } = 9$

question 51

Multiple Choice

Determine the angle $\theta$ through which the axes are rotated.Round your answer to two decimal places.​ $5 x ^ { 2 } - 4 x y + 6 y ^ { 2 } = 9$ ​

• A) \(\theta = 79.87 ^ { \circ }\)
• B) \(\theta = 77.87 ^ { \circ }\)
• C) \(\theta = 81.87 ^ { \circ }\)
• D) \(\theta = 80.87 ^ { \circ }\)
• E) \(\theta = 78.87 ^ { \circ }\)

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