Question

2sin^2theta+3sin theta-2=0​

Answer 1

Answer:

2sin^2theta + 4 sintheta - sintheta - 2 = 0

2sintheta(sintheta + 2 ) -1 (sinthetha + 2 ) = 0

(2sintheta - 1) (sintheta +2) =0

therefore,

sinthetha = 1/2 or -2

Step-by-step explanation:

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