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Find the Exact Solutions of the Given Equation in the Interval

Question 49

Multiple Choice

Find the exact solutions of the given equation in the interval [0,2π) . ​​ 2sin2x+3sinx=12 \sin ^ { 2 } x + 3 \sin x = - 1


A) ​ x=π,7π4,3π2,11π6x = \pi , \frac { 7 \pi } { 4 } , \frac { 3 \pi } { 2 } , \frac { 11 \pi } { 6 }
B) ​ x=7π4,3π2,11π4x = \frac { 7 \pi } { 4 } , \frac { 3 \pi } { 2 } , \frac { 11 \pi } { 4 }
C) ​ x=7π6,3π2,11π6x = \frac { 7 \pi } { 6 } , \frac { 3 \pi } { 2 } , \frac { 11 \pi } { 6 }
D) ​ x=π4,7π6,3π2,11π2x = \frac { \pi } { 4 } , \frac { 7 \pi } { 6 } , \frac { 3 \pi } { 2 } , \frac { 11 \pi } { 2 }
E) ​ x=0,7π2,3π2,11π2x = 0 , \frac { 7 \pi } { 2 } , \frac { 3 \pi } { 2 } , \frac { 11 \pi } { 2 }

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