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opposite leg

adjacent leg

SOHCAHTOA

sine (SIN)

the leg located opposite an angle of reference in a right tri…

the leg located next to an angle of reference in a right tria…

a mnemonic (memory) device that is used to remember the 3 bas…

opposite/hypotenuse

opposite leg

the leg located opposite an angle of reference in a right tri…

adjacent leg

the leg located next to an angle of reference in a right tria…

chord

tangent

gradient function

radian

any line segment that connects any 2 points on a circle

A line in the same plane that touches the circle at exactly o…

The first derivative of a function is called its gradient fun…

A unit for measuring angles

chord

any line segment that connects any 2 points on a circle

tangent

A line in the same plane that touches the circle at exactly o…

opposite leg

adjacent leg

SOHCAHTOA

sine (SIN)

the leg located opposite an angle of reference in a right tri…

the leg located next to an angle of reference in a right tria…

a mnemonic (memory) device that is used to remember the 3 bas…

opposite/hypotenuse

opposite leg

the leg located opposite an angle of reference in a right tri…

adjacent leg

the leg located next to an angle of reference in a right tria…

Trigonometry - means triangle measure

Circle

Names of a triangle

Trigonometric Functions

The relationships between sides and angles of triangles - in…

SOH CAH TOA (sine is opposite over hypotenuse, etc.)

Trigonometry - means triangle measure

The relationships between sides and angles of triangles - in…

Circle

Hypotenuse

Opposite

Adjacent

sinθ

the side of a right triangle opposite the right angle

the side length of a triangle opposite the right angle

the side length of a triangle next to a right angle

the ratio of the opposite side to the hypotenuse in a right-a…

Hypotenuse

the side of a right triangle opposite the right angle

Opposite

the side length of a triangle opposite the right angle

hypotenuse

opposite

sine

cosine

the side of the triangle opposite the right angle

the side opposite the labelled angle

opposite over hypotenuse

adjacent over hypotenuse

hypotenuse

the side of the triangle opposite the right angle

opposite

the side opposite the labelled angle

Hypotenuse

Opposite

Adjacent

sinθ

the side of a right triangle opposite the right angle

the side length of a triangle opposite the right angle

the side length of a triangle next to a right angle

the ratio of the opposite side to the hypotenuse in a right-a…

Hypotenuse

the side of a right triangle opposite the right angle

Opposite

the side length of a triangle opposite the right angle

hypotenuse

adjacent

opposite

sine

the side of the triangle opposite the right angle

the side of the triangle next to the labelled angle

the side opposite the labelled angle

opposite over hypotenuse

hypotenuse

the side of the triangle opposite the right angle

adjacent

the side of the triangle next to the labelled angle

Pythagorean Theorem

Trigonometry

Right triangle

Trigonometric Ratio

in a right triangle the square of the length of the hypotenus…

the branch of mathematics dealing with the relations of the s…

A triangle that has a 90 degree angle.

A ratio of the lengths of two sides in a right triangle.

Pythagorean Theorem

in a right triangle the square of the length of the hypotenus…

Trigonometry

the branch of mathematics dealing with the relations of the s…

The Domain of the Sine Function is what?

The Range of the Sine Function is what?

The Domain of the Cosine Function is w…

The Range of the Cosine Function is wh…

It is the set of all real numbers.

All real numbers from -1 to 1, inclusive.

It is the set of all real numbers

All real numbers from -1 to 1, inclusive.

The Domain of the Sine Function is what?

It is the set of all real numbers.

The Range of the Sine Function is what?

All real numbers from -1 to 1, inclusive.

Reference Angle

Hypotenuse

Opposite Side

Adjacent side

the angle given to solve a trig question

the side of a right triangle opposite the right angle

the side opposite the reference angle

the side adjacent (next to) the reference angle that is NOT t…

Reference Angle

the angle given to solve a trig question

Hypotenuse

the side of a right triangle opposite the right angle

Pythagorean Theorem

Sum of Angles in a Triangle

Triangle Side Inequality Theorem

Measure of an Exterior Angle of a Tria…

180 degrees

The sum of any two sides of a triangle must be GREATER than t…

The sum of any two angles of a triangle is equal to the exter…

Pythagorean Theorem

Sum of Angles in a Triangle

180 degrees

Hypotenuse

Opposite

Adjacent

sinθ

the side of a right triangle opposite the right angle

the side length of a triangle opposite the right angle

the side length of a triangle next to a right angle

the ratio of the opposite side to the hypotenuse in a right-a…

Hypotenuse

the side of a right triangle opposite the right angle

Opposite

the side length of a triangle opposite the right angle

acute angle

acute triangle

adjacent

angle of depression

An angle that measures less than 90°.

A triangle that contains only angles that are less than 90 de…

Next to

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

acute angle

An angle that measures less than 90°.

acute triangle

A triangle that contains only angles that are less than 90 de…

Right Triangle

Hypotenuse

Pythagorean Theorem

a² ⁺ b² = c²

a triangle with one right angle

The side of a right triangle opposite the right angle; the lo…

if you know the lengths of two sides of a right triangle, you…

Pythagorean Theorem Formula

Right Triangle

a triangle with one right angle

Hypotenuse

The side of a right triangle opposite the right angle; the lo…

complementary angles

supplementary angles

acute angle

angle of rotation

two angles whose measure have a sum of 90 degrees

two angles whose measure have a sum of 180 degrees

an angle that measures greater than 0 degrees and less than 9…

an angle formed by a rotating ray, called the terminal side,…

complementary angles

two angles whose measure have a sum of 90 degrees

supplementary angles

two angles whose measure have a sum of 180 degrees

Sin A (right triangle)

Cos A (right triangle)

Tan A (right triangle)

Inverse Trigonometric ratios

leg opposite angle A / hypotenuse OR a/c

leg adjacent to angle A/ hypotenuse OR b/c

leg opposite angle A / leg adjacent to angle A OR a/b

If sin A = x, then sin⁻¹ x = m∠A ... (sin⁻¹ x is read as sine in…

Sin A (right triangle)

leg opposite angle A / hypotenuse OR a/c

Cos A (right triangle)

leg adjacent to angle A/ hypotenuse OR b/c

tangent

trigonometry

trigonometric ratio

hypotenuse

Ratio of the opposite to the adjacent side of a right-angled…

The study of triangle measurements.

A ratio of the lengths of two sides in a right triangle.

The side of a right triangle opposite the right angle and the…

tangent

Ratio of the opposite to the adjacent side of a right-angled…

trigonometry

The study of triangle measurements.

Radians

Sine

Cosine

Tangent

An angle's measurement in radians is numerically equal to the…

Opposite Side divided by Hypotenuse

Adjacent Side divided by Hypotenuse

Opposite Side divided by Adjacent Side

Radians

An angle's measurement in radians is numerically equal to the…

Sine

Opposite Side divided by Hypotenuse

Hypotenuse

Opposite

Adjacent

sinθ

the side of a right triangle opposite the right angle

the side length of a triangle opposite the right angle

the side length of a triangle next to a right angle

the ratio of the opposite side to the hypotenuse in a right-a…

Hypotenuse

the side of a right triangle opposite the right angle

Opposite

the side length of a triangle opposite the right angle

leg

hypotenuse

sine (sin)

cosine (cos)

In right triangle the legs form the right angle. The legs are…

The longest side of a right triangle. The hypotenuse is acros…

the trigonometric function that is equal to the ratio of the…

the trigonometric function that is equal to the ratio of the…

leg

In right triangle the legs form the right angle. The legs are…

hypotenuse

The longest side of a right triangle. The hypotenuse is acros…

opposite leg

adjacent leg

SOHCAHTOA

sine (SIN)

the leg located opposite an angle of reference in a right tri…

the leg located next to an angle of reference in a right tria…

a mnemonic (memory) device that is used to remember the 3 bas…

opposite/hypotenuse

opposite leg

the leg located opposite an angle of reference in a right tri…

adjacent leg

the leg located next to an angle of reference in a right tria…