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# Final trig problem solution

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SolPowerPeople #SolarMOOC final inter-row shading solution..

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### Final trig problem solution

1. 1. Final Trig Problem Solution? SolPowerPeople, Inc. Austin, TX March 10, 2012
2. 2. Last Trig Problem
3. 3. 24”? 20°
4. 4. opposite sin(q )° = 24” hypotenuse opposite sin(20)° =? 24" 20° opposite .342 = 24" 24 *.342 = opposite 8.2" = opposite
5. 5. opposite sin(q )° = 24” hypotenuse opposite sin(20)° =8.2” 24" 20° opposite .342 = 24" 24 *.342 = opposite 8.2" = opposite
6. 6. Last Trig Problem
7. 7. Angle of a 4/12 roof Tangent of the angle is equal to the4/12=rise/run opposite over the hypotenuse. Therefore 4/12 = tangent of the angle 4” 4/12= 0.3333333 12” Arctan of 0.333333= 18.4° (see earlier slideshow on “arctan”)
8. 8. 6° 8.2” 18.4°
9. 9. 6° 8.2” bring up byBringdown to roof pitchzero° amount 18.4°
10. 10. 8.2” 24.4°(18.4° + 6°)
11. 11. 8.2”24.4° ?