Precalculus Chapter 4.4 Day 1

Multiple Choice

$$\sin\theta=?$$  

• $$\frac{x}{r}$$  

• $$\frac{y}{r}$$  

• $$\frac{r}{y}$$  

• $$\frac{r}{x}$$  

Multiple Choice

$$\csc\theta=?$$  

• $$\frac{x}{r}$$  

• $$\frac{y}{r}$$  

• $$\frac{r}{y}$$  

• $$\frac{r}{x}$$  

Multiple Choice

$$\sec\theta=?$$  

• $$\frac{x}{r}$$  

• $$\frac{y}{r}$$  

• $$\frac{r}{y}$$  

• $$\frac{r}{x}$$  

Multiple Choice

$$\tan\theta=?$$  

• $$\frac{x}{y}$$  

• $$\frac{y}{x}$$  

• $$\frac{r}{y}$$  

• $$\frac{r}{x}$$  

Multiple Select

Which trigonometric functions are positive in Quadrant IV?

• sine

• cosine

• tangent

• cotangent

• secant

Multiple Select

Which trigonometric functions are positive in Quadrant III?

• sine

• cosine

• tangent

• cotangent

• cosecant

Multiple Choice

Find $$\cot\theta$$ where $$\tan\theta$$   is undefined and $$0\le\theta\le\pi.$$  

• 0

• undefined

• 1

• -1