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3 years ago

15

in a function hall chairs were arranged in 20 rows and 15 columns on day 1 the next day same chairs were arranged in different n

umbers of rows and colums

1 answer:

raketka [301]3 years ago

6 0

Answer:

What exactly is the question?? u only gave the statement -_-

Step-by-step explanation:

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Given tanx=8/15 when pi < x < 3pi/2, find tan x/2.

S_A_V [24]

Answer:

$tan(x/2)=-4$

Step-by-step explanation:

we know that

The angle x belong to the III quadrant -----> given problem

step 1

Find the angle x

$x=arctan(8/15)=28.07\°$

Remember that the angle x belong to the III Quadrant

so

$x=28.07\°+180\°=208.07\°$

step 2

Find angle x/2

$x/2=208.07\°/2=104.035\°$

step 3

Find tan(x/2)

$tan(104.035\°)=-4$

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3 years ago

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Step-by-step explanation:

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chubhunter [2.5K]

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1 year ago

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Irina18 [472]

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4 years ago

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