Trigonometry

Trigonometry

Multiple Choice

 $\cos\ 45^o\ =\ ....$  

•  $\frac{1}{2}\sqrt{2}$  

•  $\frac{1}{2}\sqrt{3}$  

•  $\frac{1}{2}$  

•  $\frac{1}{3}\sqrt{3}$  

Multiple Choice

 $\cos\ 60^o\ =\ ....$  

•  $\frac{1}{2}\sqrt{2}$  

•  $\frac{1}{2}\sqrt{3}$  

•  $\frac{1}{2}$  

•  $\frac{1}{3}\sqrt{3}$  

Multiple Choice

 $\cos\ 30^o\ =\ ....$  

•  $\frac{1}{2}\sqrt{2}$  

•  $\frac{1}{2}\sqrt{3}$  

•  $\frac{1}{2}$  

•  $\frac{1}{3}\sqrt{3}$  

Multiple Choice

tan²x + 1 =

• csc²x

• sec²x

• sec²x - 1

• cscx

Multiple Choice

1 - sin²x =

• cos²x

• cos²x+1

• csc²x

• tan²x

Multiple Choice

Simplify (sec²x)(1 - sin²x)

• -cos(x)

• 1

• -1

• -sin(x)

Multiple Choice

Simplify (Hint: you will need to FOIL first)

• sinθ

• cot²θ

• tan²θ

• cos²θ

Multiple Choice

Simplify...

 $\frac{\cot\left(\theta\right)\sin\left(\theta\right)}{\cos\left(\theta\right)}$  

•  $\sec\left(\theta\right)$  

• 1

Multiple Choice

 Simplify...

 

 $\cos\left(\theta\right)+\sin\left(\theta\right)\tan\left(\theta\right)$ 

 

•  $\sec\left(\theta\right)$  

•  $\csc\left(\theta\right)$  

Multiple Choice

 $\frac{\tan x}{\sec x}$  

•  $\cos x$  

•  $\csc x$  

•  $\cot x$  

•  $\sin x\$  

Multiple Choice

Is this a pythagorean identity?
tan²x + 1 = secx

• Yes
• No

Multiple Choice

Please select the correct solution 
cos ² x + sin ² x=  

• 1
• csc ² x + sec ² x
• sin ² x
• 1 - sin ² x

Multiple Choice

What is the length of the side opposite ∠X?

• 16
• 30
• 34

Multiple Choice

Which trigonometric ratio should you use?

• Tangent Ratio

• Sine Ratio

• Cosine Ratio

• Any ratio

Multiple Choice

Which trigonometric ratio should you use?

• Tangent Ratio

• Sine Ratio

• Cosine Ratio

• Any ratio

Multiple Choice

Which trigonometric ratio should you use?

• Tangent Ratio

• Sine Ratio

• Cosine Ratio

• Any ratio

Multiple Choice

Which trigonometric ratio should you use?

• Tangent Ratio

• Sine Ratio

• Cosine Ratio

• Any ratio