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Law of sines - Wikipedia
https://en.wikipedia.org/wiki/Law_of_sines
webThe law of sines is one of two trigonometric equations commonly applied to find lengths and angles in scalene triangles, with the other being the law of cosines. The law of sines can be generalized to higher dimensions on surfaces with constant curvature.
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The Law of Sines - Math is Fun
https://www.mathsisfun.com/algebra/trig-sine-law.html
webLaw of Sines: a/sin A = b/sin B = c/sin C. Put in the values we know: a/sin A = 7/sin (35°) = c/sin (105°) Ignore a/sin A (not useful to us): 7/sin (35°) = c/sin (105°) Now we use our algebra skills to rearrange and solve: Swap sides: c/sin (105°) = 7/sin (35°) Multiply both sides by sin (105°): c = ( 7 / sin (35°) ) × sin (105°)
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Laws of sines and cosines review (article) | Khan Academy
https://www.khanacademy.org/math/precalculus/x9e81a4f98389efdf:trig/x9e81a4f98389efdf:solving-general-triangles/a/laws-of-sines-and-cosines-review
webThe law of sines works only if you know an angle, a side opposite it, and some other piece of information. If you know two sides and the angle between them, the law of sines won't help you. In any other case, you need the law of cosines.
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Law of Sines - Definition, Proof, Formula, Applications and Example
https://byjus.com/maths/law-of-sines/
webLaw of sines defines the ratio of sides of a triangle and their respective sine angles are equivalent to each other. The other names of the law of sines are sine law, sine rule and sine formula. The law of sine is used to find the unknown angle or …
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2.1: The Law of Sines - Mathematics LibreTexts
https://math.libretexts.org/Bookshelves/Precalculus/Elementary_Trigonometry_(Corral)/02%3A_General_Triangles/2.01%3A_The_Law_of_Sines
webNov 17, 2022 · sinA a = sinB b = sin C c , and it can also be written as a collection of three equations: a b = sin A sin B , a c = sin A sinC , b c = sin B sinC. Another way of stating the Law of Sines is: The sides of a triangle are proportional …
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Law of Sines - Formula, Cases & Examples | ChiliMath
https://www.chilimath.com/lessons/trigonometry/law-of-sines/
webSine Rule. Law of Sines. To solve the unknown sides and angles of oblique triangles, we will need the Law of Sines or Sine Rule. By the way, an oblique triangle is a type of triangle which does not contain a right angle or a 90-degree angle. The Law of Sines can be summarized as:
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Law of sines: solving for a side | Trigonometry (video) - Khan Academy
https://www.khanacademy.org/math/precalculus/x9e81a4f98389efdf:trig/x9e81a4f98389efdf:law-of-sines/v/law-of-sines
webThe Law of Sines just tells us that the ratio between the sine of an angle, and the side opposite to it, is going to be constant for any of the angles in a triangle. So for example, for this triangle right over here. This is a 30 degree angle, This is a 45 degree angle. They have to add up to 180.
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Law of Sines - Math.net
https://www.math.net/law-of-sines
webThe Law of Sines can be used to solve for the sides and angles of an oblique triangle when the following measurements are known: Two angles and one side: AAS (angle-angle-side) or ASA (angle-side-angle) Two sides and a non-included angle: SSA (side-side-angle) Example: For triangle ABC, a = 3, A = 70°, and C = 45°. Find B, b, and c.
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Law of Sines - Formula, Proof, Examples | Sine Rule - Cuemath
https://www.cuemath.com/trigonometry/sine-law/
webThe law of sines formula is used for any triangle apart from SAS triangle and SSS triangle. It says, a/sin A = b/sin B = c/sin C. where, a, b, and c are the lengths of the triangle. A, B, and C are the angles of the triangle. This formula can be represented in three different forms given as, a/sinA = b/sinB = c/sinC.
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4.1: The Law of Sines - Mathematics LibreTexts
https://math.libretexts.org/Bookshelves/Precalculus/Elementary_Trigonometry_(Beveridge)/04%3A_The_Law_of_Sines_and_The_Law_of_Cosines/4.01%3A_The_Law_of_Sines
webPrecalculus & Trigonometry. Elementary Trigonometry (Beveridge) 4: The Law of Sines and The Law of Cosines. 4.1: The Law of Sines.
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