Trigonometry of Special Angles

Front

What is the value of tan 0º?

Back

0

Front

What is the value of tan 90º?

Back

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Front

What is the value of cos 60º?

Back

1/2

Front

What is the value of tan 45º?

Back

1

Front

What is the value of tan 60º?

Back

√3

Front

Define sine of an angle in a right triangle.

Back

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

Front

Define cosine of an angle in a right triangle.

Back

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

Front

Define tangent of an angle in 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 value of sin 30º?

Back

1/2

Front

What is the value of cos 30º?

Back

√3/2