Triggy

What is the value of

 $\sin\left(x\right)\$   if  $x\ =\ \pi$  ?

• 1

• 0

• -1

•  $\frac{1}{2}$  

What is the value of  $\cos\left(2x\right)$   if  $x\ =\ \frac{\pi}{2}$  

• 1

• 0

• -1

•  $\frac{1}{2}$  

What quadrant could  $\theta$   be in if  $\cos\left(\theta\right)=\ -\frac{1}{2}$  ?

• Quadrant 1

• Quadrant 2

• Quadrant 3

• Quadrant 4
  

What is the value of  $-\cos\left(x-2\pi\right)$  if  $x\ =\ 4\pi$  ?

• 1

• 0

• -1

Convert  $210\degree$  to radians. Write your answer as a fraction in simplified form like this: 3/4 pi

 $\sin\left(90\degree\right)+\tan\left(\frac{\pi}{4}\right)$  

• 2

• 1

• 0

• undefined

Simplify  $\frac{\tan\left(x\right)\cot\left(x\right)}{\sin\left(x\right)\cos\left(x\right)}$  

•  $\sec\left(x\right)\csc\left(x\right)$  

•  $-\frac{1}{\sin\left(x\right)\cos\left(x\right)}$  

•  $\sec\left(x\right)\cos\left(x\right)$  

•  $\tan\left(x\right)\cot\left(x\right)$  

If  $\theta=\ \frac{\pi}{3}$  , what is  $2\left(\sin^2\left(x\right)+\cos^2\left(x\right)\right)$  ?

•  $\frac{\sqrt{3}}{3}$  

• 1

• 2

• 0

 $\frac{\sin\left(x\right)\csc\left(x\right)}{\cos\left(x\right)\sec\left(x\right)}$  

Simplify the function above

• 0

• 1

•  $\tan\left(x\right)\cot\left(x\right)$  

If  $\sin\left(\theta\right)\ =\ \frac{3}{5}$  , what is the area of the triangle?

• 12 units squared

• 15 units squared

• 6 units squared

• 25 units squared