Understanding Secant and Reference Angles

4.21 radians

2.0729 radians

1.0687 radians

3.14 radians

Secant is the reciprocal of sine

Secant is the reciprocal of tangent

Secant is the same as cosine

Secant is the reciprocal of cosine

Third and fourth

First and fourth

Second and third

First and second

Add the reference angle to pi

Subtract the reference angle from pi

Multiply the reference angle by pi

Divide pi by the reference angle

2.0729 radians

1.0687 radians

4.21 radians

3.14 radians

Divide pi by the reference angle

Multiply the reference angle by pi

Subtract the reference angle from pi

Add the reference angle to pi

2.0729 radians

1.0687 radians

3.14 radians

4.21 radians

a = 2pi + reference angle

a = pi - reference angle

a = 2pi - reference angle

a = pi + reference angle

a = pi + reference angle

a = pi - reference angle

a = 2pi - reference angle

a = 2pi + reference angle

2.0729 and 3.14 radians

1.0687 and 3.14 radians

2.0729 and 4.21 radians

1.0687 and 4.21 radians