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Precalc solve the solution set

Precalc Solve The Solution Set class=

Sagot :

Answer:

i belive there is no solution

Step-by-step explanation:

Answer:

210° , 270°

Step-by-step explanation:

6+6sinθ = 4cos²θ = 4 (1-sin²θ) = 4 - 4 sin²θ

4 sin²θ + 6 sinθ + 2 = 2(2 sin²θ + 3 sinθ + 1) = 0

2* (sinθ + 1) (2sinθ + 1) = 0

sinθ = -1   or sinθ = -1/2

θ = 270°   or θ = 210°

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