#### Study sets matching "trigonometry"

#### Study sets matching "trigonometry"

angle of depression

angle of elevation

arccos

arcsin

an angle measured downward from a horizontal line

an angle measured upward from a horizontal line

the function y = cos^-1 x = arccos x if and only if x = cos y…

the function y = sin^-1 x = arcsin x if and only if x = sin y…

angle of depression

an angle measured downward from a horizontal line

angle of elevation

an angle measured upward from a horizontal line

Sin Pythagorean Identity

Pythagorean identities

Tan Pythagorean Identity

COT Pythagorean Identity

Sin²+Cos²=1

Sin²+Cos²=1... 1 + cot²= Csc² cat cases... 1+ tan²= sec² tan sack

1+Tan²=Sec²

1+Cot²=Csc²

Sin Pythagorean Identity

Sin²+Cos²=1

Pythagorean identities

Sin²+Cos²=1... 1 + cot²= Csc² cat cases... 1+ tan²= sec² tan sack

geometric mean

pythagorean theorem

pythagorean triple

converse of pythagorean theorem

of two #s, a & b, is √a·b (the root of a·b)

reilly u r stupid if you don't know this. you don't need a def…

- set of three positive whole numbers that obey the theorem (a…

if a triangle has side lengths a, b, c that obey a²+b²=c², its…

geometric mean

of two #s, a & b, is √a·b (the root of a·b)

pythagorean theorem

reilly u r stupid if you don't know this. you don't need a def…

Heron's formula

Polygon

Regular polygon

Irregular Polygons

(a+b+c)/2=s A=√(s(s-a)(s-b)(s-c))

any closed figure made of line segments that do not cross

all sides are congruent and angles are congruent

all sides and angles have different measures

Heron's formula

(a+b+c)/2=s A=√(s(s-a)(s-b)(s-c))

Polygon

any closed figure made of line segments that do not cross

Angle of Depression

Angle of Elevation

Component Form

Cosine

The angle between the line of sight and the horizontal when an…

the angle between the line of sight and the horizontal when an…

a vector expression as an ordered pair

for an acute angle of a right triangle, the ratio of the measu…

Angle of Depression

The angle between the line of sight and the horizontal when an…

Angle of Elevation

the angle between the line of sight and the horizontal when an…