Janice Min
Contents contributed and discussions participated by Janice Min
Unit 8 - 27 views
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Your score was 80%
You answered 4 correctly and 1 incorrectly.
question 5 - 27 views
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tan60=x/40
tan60X40=x
x=69.282
Tan30=y/40
tan30X40=y
y=23.094
69.282-23.094=46.188
question 6 - 24 views
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Tan-1 (2√3/2)
angle of elevation = 60
question 3 - 32 views
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tan60= 120x
120/tan60=x
x=69.282
tan30=120/y
120/tan30=207.846
207.846-69.282= 138.564
question 2 - 27 views
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sin 30= 18/x
18/sin30=x
x=36m
question 1 - 31 views
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Tan 30= x/100
x= 57.735
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