12) cos² 0 = 1 020 14) 4cot2 0 = 1+ cot? 0 16) 1+3cot2 0 = 4cot? 0-2

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Q: What is the reference angle of 0 if 0 = -137°? A 43° В 47° C 137° D 223°

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Q: 13.) f A=32.2 6=2 of AABC. %3D A. 129.5 vnits? B. 102.8 units C. 64.7 units? D.32.6 units 2.

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Q: 8. Solve for all sides of the triangle. 12, 40° 959 A

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A: (x, y) = (-12, 43)r = x2 + y2r = (-12)2+(43)2r = 144+48r = 192r = 13.8564r ~ 13.86 

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Q: Solve the right triangle ABC, with C=90°. B=62.2°, b= 108 in.

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