Trig Identity

Trig Identity

10th - 11th Grade

6 Qs

quiz-placeholder

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Trig Identity

Trig Identity

Assessment

Quiz

Mathematics

10th - 11th Grade

Practice Problem

Medium

Created by

Samantha Cusano

Used 30+ times

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6 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Simplify...

 tan(Θ)sec(Θ)\frac{\tan\left(\Theta\right)}{\sec\left(\Theta\right)}  

 sin(Θ)\sin\left(\Theta\right)  

 cos(Θ)\cos\left(\Theta\right)  

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Prove…

 csc(θ)=cot(Θ)sec(Θ)\csc\left(\theta\right)=\cot\left(\Theta\right)\sec\left(\Theta\right)  

 csc(θ)=csc(θ)\csc\left(\theta\right)=\csc\left(\theta\right)  

 csc(θ)=1cos(θ)\csc\left(\theta\right)=\frac{1}{\cos\left(\theta\right)}  

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Prove…

 

 sec2 (θ)sin2 (θ)sec2 (θ)=1\sec^{2\ }\left(\theta\right)-\sin^{2\ }\left(\theta\right)\sec^{2\ }\left(\theta\right)=1 
 

 cos2(θ)=1sin2(θ)\cos^2\left(\theta\right)=1-\sin^2\left(\theta\right)  

1=1

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 Simplify...

 

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

 sec(θ)\sec\left(\theta\right)  

 csc(θ)\csc\left(\theta\right)  

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Simplify...

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

 sec(θ)\sec\left(\theta\right)  

1

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Prove…

 

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

 1sin(θ)=sec(θ)\frac{1}{\sin\left(\theta\right)}=\sec\left(\theta\right)  

 sec(θ)=sec(θ)\sec\left(\theta\right)=\sec\left(\theta\right)  

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