Get sinus of an angle from a distance x and two circumferences of different radius
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How is possible to get these formulas of sinus from this image?
https://imgur.com/a/8MqyRFb
I have been trying different things but they didn't work out.
trigonometry
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add a comment |
$begingroup$
How is possible to get these formulas of sinus from this image?
https://imgur.com/a/8MqyRFb
I have been trying different things but they didn't work out.
trigonometry
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1
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Draw radius that connects circle centre with the point where line is tangent to the circle.
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– Matteo
Jan 19 at 19:08
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@Matteo Use the fact that they are perpendicular.
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– hamam_Abdallah
Jan 19 at 19:11
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Thanks to both!
$endgroup$
– DeFabregas
Jan 19 at 19:53
add a comment |
$begingroup$
How is possible to get these formulas of sinus from this image?
https://imgur.com/a/8MqyRFb
I have been trying different things but they didn't work out.
trigonometry
$endgroup$
How is possible to get these formulas of sinus from this image?
https://imgur.com/a/8MqyRFb
I have been trying different things but they didn't work out.
trigonometry
trigonometry
asked Jan 19 at 19:02
DeFabregasDeFabregas
12
12
1
$begingroup$
Draw radius that connects circle centre with the point where line is tangent to the circle.
$endgroup$
– Matteo
Jan 19 at 19:08
$begingroup$
@Matteo Use the fact that they are perpendicular.
$endgroup$
– hamam_Abdallah
Jan 19 at 19:11
$begingroup$
Thanks to both!
$endgroup$
– DeFabregas
Jan 19 at 19:53
add a comment |
1
$begingroup$
Draw radius that connects circle centre with the point where line is tangent to the circle.
$endgroup$
– Matteo
Jan 19 at 19:08
$begingroup$
@Matteo Use the fact that they are perpendicular.
$endgroup$
– hamam_Abdallah
Jan 19 at 19:11
$begingroup$
Thanks to both!
$endgroup$
– DeFabregas
Jan 19 at 19:53
1
1
$begingroup$
Draw radius that connects circle centre with the point where line is tangent to the circle.
$endgroup$
– Matteo
Jan 19 at 19:08
$begingroup$
Draw radius that connects circle centre with the point where line is tangent to the circle.
$endgroup$
– Matteo
Jan 19 at 19:08
$begingroup$
@Matteo Use the fact that they are perpendicular.
$endgroup$
– hamam_Abdallah
Jan 19 at 19:11
$begingroup$
@Matteo Use the fact that they are perpendicular.
$endgroup$
– hamam_Abdallah
Jan 19 at 19:11
$begingroup$
Thanks to both!
$endgroup$
– DeFabregas
Jan 19 at 19:53
$begingroup$
Thanks to both!
$endgroup$
– DeFabregas
Jan 19 at 19:53
add a comment |
0
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1
$begingroup$
Draw radius that connects circle centre with the point where line is tangent to the circle.
$endgroup$
– Matteo
Jan 19 at 19:08
$begingroup$
@Matteo Use the fact that they are perpendicular.
$endgroup$
– hamam_Abdallah
Jan 19 at 19:11
$begingroup$
Thanks to both!
$endgroup$
– DeFabregas
Jan 19 at 19:53