Chap. 8 Vocabulary Flashcards
The angle that is seen above a horizontal line.
angle of elevation
Relates the sine of each angle to the length of the opposite side.
law of sines
The ratio of the adjacent side to the hypotenuse.
cosine
If a triangle is a right triangle, then the sum of of the squares of the lengths of the legs is equal to the square of the length of the hypotenuse.
Pythagorean Theorem
Relates the cosine of each angle to the side lengths of the triangle.
law of cosines
Similar right triangles have equivalent ratios for their corresponding sides called…
trigonometric ratios
The ratio of the opposite side to the hypotenuse.
sine
A set of nonzero whole numbers a, b, and c that satisfy the equation a^2+b^2=c^2
Pythagorean Triple
The ratio of the opposite side to the adjacent side.
tangent
If the sum of the squares of the lengths of two sides of a triangle is equal to the square of the length of the third side, then the triangle is a right triangle.
Converse of the Pythagorean Theorem
The angle that is seen below a horizontal line.
angle of depression