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Which expression can be used to find the distance between the points B and C of the entrance?
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Please help
do u wanna find distance BC ?
yes
Which expression can be used to find the distance between the points B and C of the entrance? 15 (cot 65° + sec 25°) 15(cot 65° + cot 25°)
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and the last two answers are the same as those but dividing them.
15/ tan 65 + 15/ tan25.. = 15 (cot 65 + cot 25) = 15 cot 90
sorry for late reply..
Its okay, and thanks sooo much!!
wait.. cot 90 = 0..
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wait, cot 90 = 0 so 15/ tan65 + 15/ tan 25 = 15/2.14 + 15/0.46 = 39.618..
okay..
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