SOLUTION: A new store will need a ramp whose angle of elevation (the angle formed where the ramp touches the ground) is 3.5° and whose length is 36 inches. In triangle ABC, angle A is the an

Algebra ->  Triangles -> SOLUTION: A new store will need a ramp whose angle of elevation (the angle formed where the ramp touches the ground) is 3.5° and whose length is 36 inches. In triangle ABC, angle A is the an      Log On


   

Question 1062331: A new store will need a ramp whose angle of elevation (the angle formed where the ramp touches the ground) is 3.5° and whose length is 36 inches. In triangle ABC, angle A is the angle of elevation and segment AC represents the ramp.
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Which trigonometric ratio could you use to solve for BC, the height of the threshold to the store?
cos⁡B
sin⁡A
cos⁡A
sin⁡B

Solve for BC in the previous question. Round your answer to the nearest tenth.
Which trigonometric ratio could you use to solve for AB?
sin⁡A
cos⁡A
cos⁡B
sin⁡B
Solve for AB in the previous question. Round your answer to the nearest tenth.
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
You have to know:
sin = side opposite/hypotenuse
cos = side adjacent/hypotenuse
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If you don't know that you're in the wrong class.