Trig Functions

Front

What is the definition of a Trigonometric Function?

Back

A function that relates the angles of a triangle to the lengths of its sides.

Front

What is the value of sin(90°)?

Back

1

Front

What is the value of cos(0°)?

Back

1

Front

What is the formula for Sine?

Back

Opposite/Hypotenuse

Front

What is the formula for Tangent?

Back

Opposite/Adjacent

Front

What is the Pythagorean Identity?

Back

sin²(θ) + cos²(θ) = 1

Front

How do you find the sine of angle A in a right triangle?

Back

Sine of A = Opposite side / Hypotenuse.

Front

What is the relationship between the angles in a right triangle?

Back

The sum of the angles in a right triangle is 180°, with one angle being 90°.

Front

What is the value of tan(45°)?

Back

1

Front

How do you find the cosine of angle B in a right triangle?

Back

Cosine of B = Adjacent side / Hypotenuse.