Openstax Algebra and Trigonometry §7.3 #43. Find cos 7pi/6 and sin 7pi/6.
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Openstax Algebra and Trigonometry §7.3 #43. Find cos 7pi/6 and sin 7pi/6.
Openstax Algebra and Trigonometry §7.3 #43. Find cos 7pi/6 and sin 7pi/6. We use a unit circle approach, and a reference angles and right triangle approach.
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