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Welcome students.
00:03
To show the formula, radius r is equal to h -c -a -l -a -h -c -a -dvada divided by 1 -6 -c -a -lpha.
00:28
The given diagram is, so this is a given diagram.
00:37
A, c, o.
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From the figure, ac divided by sine o is equal to r divided by sine a, is equal to r divided by sine a, is equal to h plus r divided by sine c.
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Sign c.
01:22
So this is implies r divided by sine a is equal to h plus r divided by sine c.
01:35
So that is implies r by here sine a is 90 minus alpha.
01:43
That is equals to h plus r divided by c is 90 degrees.
01:52
So that is in place r divided by sine 90 minus alpha is kass alpha is equal to h plus r.
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Sin 90 is 1.
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This is r is equal to h plus r kass alpha.
02:15
R is equal to hxa alpha.
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H kass alpha.
02:19
Minus r plus r r cas alpha so here r minus r kars alpha so r minus r kars alpha is equal to h kass alpha so here r common 1 minus kars alpha is equal to h kass alpha r is equal to h.
02:56
Kass alpha divided by 1 minus kass alpha.
03:01
So this is a formula.
03:03
R is equal to h radius r is equal h kass alpha divided by 1 minus kass alpha.
03:12
Here given angle alpha is equal to 0 degrees 34 minutes.
03:22
34 minutes and height h is equal to 652 .318 8 qubits.
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8 cubits...