Harine Choi
Contents contributed and discussions participated by Harine Choi
Unit 8 - 34 views
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question 6 - 24 views
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tan x = 2√3/2
x = 60
question 5 - 27 views
question 4 - 26 views
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tan45 = x/28
28 (tan45) = x = 28
tan30 = 28/y
y (tan30) = 28
y = 28 / tan30 = 48.4974
28 + 48.4974 = 76.4974
question 3 - 32 views
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120 root 30 = 207.8461
120/root 30 = 69.2820
207.8461 - 69.2820 = 138.5641
question 2 - 27 views
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cos30 = 18/x
x (cos30) = 18
x = 18/cos30 = 20.7846
length of the string = 20.7846 m
question 1 - 31 views
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tan30 = 100/x
x (tan30) = 100
x = 100/tan30 = 173.2050
height of the tower = 173.2050m
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