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Pythagorean Triple
a set of 3 positive integers that satisfy the pythagorean theorem
Pythagorean Theorem
Equation that helps find side lengths of triangles.
a²+b²=c²
Tangent
Opposite/adjacent
Sine
opposite/hypotenuse
Cosine
adjacent/hypotenuse
Angle of Elevation
Angle that an upward line of sight creates with the horizontal line.
Angle of Depression
Angle that a downward line of sight creates with a horizontal line
Inverse Tanget
If tanA = x, then tan-¹ x = m∠A
Inverse Sine
If sinA = x, then sin-¹ x = m∠A
Inverse Cosine
If cosA = x, then cos-¹ x = m∠A
Solve a Right Triangle
to determine the measures of all six parts. you can solve this if you know the two side lengths and or one side length and one acute angle measure
Sine and Cosine of Complementary Angles
sin A = cos(90˚- A) = cos B
Special Triangle 30-60-90
Special Triangle 45-45-90
Pythagorean Inequalities