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How Many Solutions Does $6 \sin ^{2} x-\cos ^{2} x=3$ Have For

Question 46

Multiple Choice

How many solutions does $6 \sin ^{2} x-\cos ^{2} x=3$ have for $0 \leq x \leq 2 \pi$ ?

A) 4
B) 0
C) 1
D) none of the above.

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