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5 votes
Precalc solve the solution set

Precalc solve the solution set-example-1

2 Answers

11 votes

Answer:

i belive there is no solution

Explanation:

User Nerkatel
by
8.3k points
5 votes

Answer:

210° , 270°

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°

User Nitin Bansal
by
8.8k points

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