Need the answer to this, quadratically

Step-by-step explanation:

6Sin² Ф + 11Sin Ф + 4 = 0

Product = 6*4 = 24

Sum =11

Factors = 8 , 3  {8*3 = 24 & 8+3 = 11}

6Sin² Ф + 8Sin Ф + 3 sin Ф + 4 = 0

2Sin Ф ( 3Sin Ф + 4) + (3Sin Ф + 4) = 0

( 3Sin Ф + 4) (2Sin Ф + 1) = 0

3Sin Ф + 4 = 0        ; 2Sin Ф + 1 = 0

3Sin Ф = -4             ; 2Sin Ф = -1

Sin Ф = -4/3           ; Sin Ф = -1/2

Sin Ф = -4/3 , -1/2

your answer is a

step-by-step explanation:

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