Abagail I.

asked • 04/29/19

Trigonometry Question

Solve 5sin2θ-18sinθ-8=0 for 0≤θ≤360°

a) θ≈203.6° or 336.4°

b) θ≈240° or 300°

c) θ≈33.6° or 156.4°

d) θ≈30° or 150°

2 Answers By Expert Tutors


Jonathan G. answered • 04/30/19

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