IndietroSpecial Right Triangles definitions
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1/15IndietroSkip to main contentIndietro45-45-90 Triangle
A right triangle with two equal legs and a hypotenuse equal to the leg length times the square root of 2. 30-60-90 Triangle
A right triangle with side lengths in the ratio: short leg, short leg times square root of 3, and short leg times 2. Hypotenuse
The longest side in a right triangle, directly opposite the right angle and determined by triangle-specific shortcuts. Leg
One of the two sides forming the right angle in a triangle; in special cases, its length defines all other sides. Short Leg
The smallest side in a 30-60-90 triangle, used as the basis for calculating the other two sides. Long Leg
The side in a 30-60-90 triangle opposite the 60-degree angle, equal to the short leg times the square root of 3. Square Root of 2
A constant used to relate the legs and hypotenuse in a 45-45-90 triangle, simplifying calculations. Square Root of 3
A constant used to relate the short leg and long leg in a 30-60-90 triangle, essential for side calculations. Sine
A trigonometric function representing the ratio of the side opposite an angle to the hypotenuse. Cosine
A trigonometric function representing the ratio of the side adjacent to an angle to the hypotenuse. Tangent
A trigonometric function representing the ratio of the side opposite an angle to the side adjacent to it. Cosecant
A reciprocal trigonometric function, equal to one divided by sine, often simplified in special triangles. Secant
A reciprocal trigonometric function, equal to one divided by cosine, with predictable values in special triangles. Cotangent
A reciprocal trigonometric function, equal to one divided by tangent, showing symmetry in special triangles. Reciprocal Identity
A relationship where a trigonometric function is inverted, leading to simplified values in special right triangles.
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