Special Triangles #1

Front

What is the value of sin 60°?

Back

√3/2

Front

What is the value of sin 45°?

Back

√2/2

Front

What is the value of tan 45°?

Back

1

Front

What is the value of tan 30°?

Back

√3/3

Front

What is the value of cos 60°?

Back

1/2

Front

Define sine in relation to a right triangle.

Back

Sine is the ratio of the length of the opposite side to the length of the hypotenuse.

Front

Define cosine in relation to a right triangle.

Back

Cosine is the ratio of the length of the adjacent side to the length of the hypotenuse.

Front

Define tangent in relation to a right triangle.

Back

Tangent is the ratio of the length of the opposite side to the length of the adjacent side.

Front

What is the relationship between sine and cosine for complementary angles?

Back

sin(θ) = cos(90° - θ) and cos(θ) = sin(90° - θ).

Front

What is the value of sin 30°?

Back

1/2