Trigonometric Functions

What is the reciprocal of the sine function?

• cosecant

• cosine

• secant

• cotangent

Secant is the reciprocal of what function?

• Cosecant
• Sine
• Cosine
• Tangent

Cotangent is the reciprocal of what function?

• Cosecant
• Sine
• Cosine
• Tangent

Find secΘ.

• 17/15
• 15/17
• 8/17
• 17/8

Find cotΘ.

• 3/4
• 4/3
• 5/4
• 5/3

Find cscΘ.

• 15/17
• 17/15
• 8/17
• 17/8

Choose the correct ratio.

• cos(33)=x/14
• sin(33)=x/14
• cos(33)=14/x
• sin(33)=14/x

Write all six trig ratios.

•  $\sin\theta=\frac{24}{25}\ \cos\theta=\frac{7}{25}\ \tan\theta=\frac{24}{7}\$   $\csc\theta=\frac{25}{24}\ \sec\theta=\frac{25}{7}\ \cot\theta=\frac{7}{24}$  

•   $\sin\theta=\frac{7}{25}\ \cos\theta=\frac{24}{25}\ \tan\theta=\frac{7}{24}$   $\csc\theta=\frac{25}{7}\ \sec\theta=\frac{25}{24}\ \cot\theta=\frac{24}{7}$