(9-2) Pythagorean Identities Practice

 $\sin^2\theta+\cos^2\theta=$  

•  $\tan^2\theta$  

•  $1$  

•  $\csc^2\theta$  

•  $1+\cot^2\theta$  

 $1+\cot^2\theta=$  

•  $\sin^2\theta$  

•  $\sec^2\theta$  

•  $\csc^2\theta$  

•  $\tan^2\theta$  

 $\tan^2\theta+1=$  

•  $\sin^2\theta$  

•  $\sec^2\theta$  

•  $\cot^2\theta$  

Which of the following identities equal 1?

• $\sin^2\theta+\cos^2\theta$

• $\csc^2\theta-\cot^2\theta$

• $\sec^2\theta-\tan^2\theta$

 $\sec^2\theta-1=$  

•  $\tan^2\theta$  

•  $\cot^2\theta$  

 $1-\cos^2\theta=$  

•  $\sin^2\theta$  

•  $\sec^2\theta$  

•  $\tan^2\theta$  

 $\csc^2\theta-1=$  

•  $\sec^2\theta$  

•  $\sin^2\theta$  

•  $\cot^2\theta$  

In the following triangle, what variable do we assign to the opposite side?

In the following triangle, what variable do we assign to the adjacent side?

In the following triangle, what does x= ?

• $\sin x\$

• $\cos\ x$

• $\tan\ x$