Evaluate Trigonometric Functions of Quadrantal Angles

Front

What is the value of sin -270°?

Back

1

Front

What is the value of tan 0°?

Back

0

Front

What is the value of tan 180°?

Back

0

Front

What is the value of cos 360°?

Back

1

Front

What is the value of cos 90°?

Back

0

Front

Define Quadrantal Angles.

Back

Angles that are multiples of 90° (0°, 90°, 180°, 270°, 360°) and lie on the axes of the coordinate plane.

Front

What is the sine of 90°?

Back

1

Front

What is the cosine of 180°?

Back

-1

Front

What is the tangent of 270°?

Back

Undefined

Front

What is the sine of 0°?

Back

0