Trigonometry Question
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Grade 11 Trigonometry CCSS: HSF-TF.A.3
In triangle ABC, [math]cos(B) = (√2)/2[/math]. If the altitude from A to BC is 6 units and angle ABC = 45°, what is the length of AB?
- [math]6√2 [/math] units
- 12 units
- [math]3√2 [/math] units
- 8 units
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