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solniwko [45]
3 years ago
15

from the edge of a cliff 180m high, the angles of depression of two boats at sea are 43° and 52° respectively what is the distan

ce between the two angles?
Mathematics
1 answer:
MrRa [10]3 years ago
8 0

tan 52 = 180/a; a = 180/tan 52

tan 43 = 180/b; b = 180/tan 43

you need to calculate, a-b = 180/tan 52 - 180/tan 43

substitute the value of tan thetas, and calculate it simply...


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A shopkeeper fixed the marked price of his radio to make a profit of 30 %. Allowing 15 % discount on the marked price, the radio
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Step-by-step explanation:

Here .

let the Cost Price be 'x'

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41.67 % ( to 2 dec. places )

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