Trigonometry Identities - Co-Function to Identity (Greek Letter)

Level 1

This math topic focuses on practicing trigonometric identities, specifically cofunction identities using the angles denoted by Greek letters. The problems ask students to complete expressions showing relationships between trigonometric functions such as sine, cosine, tangent, cotangent, secant, and cosecant at complementary angles. Each question provides an original trigonometric expression and requires identifying its equivalent cofunction identity, giving options for correct and incorrect identities for students to choose from. This enhances understanding of fundamental trigonometry concepts crucial for more advanced studies in mathematics and science.

Work on practice problems directly here, or download the printable pdf worksheet to practice offline.

more

Trigonometry Identities - Co-Function to Identity (Greek Letter) Worksheet

Mobius Math Academy logo
Trigonometry Identities - Co-Function to Identity (Greek Letter)
1
A LaTex expression showing \text{tan}{(\gamma)}
Complete the cofunction identity for this expression
a A LaTex expression showing =\text{cot}{(90 to the power of circle - \gamma)}
b A LaTex expression showing =\text{cot}{(90 to the power of circle + \gamma)}
2
A LaTex expression showing \text{sin}{(\alpha)}
Complete the cofunction identity for this expression
a A LaTex expression showing =\text{csc}{(90 to the power of circle - \alpha)}
b A LaTex expression showing =\text{cos}{(90 to the power of circle - \alpha)}
3
A LaTex expression showing \text{csc}{(\alpha)}
Complete the cofunction identity for this expression
a A LaTex expression showing =\text{sec}{(90 to the power of circle - \alpha)}
b A LaTex expression showing =\text{sin}{(90 to the power of circle - \alpha)}
4
A LaTex expression showing \text{sec}{(\alpha)}
Complete the cofunction identity for this expression
a A LaTex expression showing =\text{cos}{(90 to the power of circle - \alpha)}
b A LaTex expression showing =\text{csc}{(90 to the power of circle - \alpha)}
5
A LaTex expression showing \text{cos}{(\theta)}
Complete the cofunction identity for this expression
a A LaTex expression showing =\text{sec}{(90 to the power of circle - \theta)}
b A LaTex expression showing =\text{sin}{(90 to the power of circle - \theta)}
6
A LaTex expression showing \text{sec}{(\gamma)}
Complete the cofunction identity for this expression
a A LaTex expression showing =\text{csc}{(90 to the power of circle - \gamma)}
b A LaTex expression showing =\text{cos}{(90 to the power of circle - \gamma)}
7
A LaTex expression showing \text{cos}{(\beta)}
Complete the cofunction identity for this expression
a A LaTex expression showing =\text{sin}{(90 to the power of circle - \beta)}
b A LaTex expression showing =\text{sec}{(90 to the power of circle - \beta)}
8
A LaTex expression showing \text{sec}{(\beta)}
Complete the cofunction identity for this expression
a A LaTex expression showing =\text{cos}{(90 to the power of circle - \beta)}
b A LaTex expression showing =\text{csc}{(90 to the power of circle - \beta)}