Search Header Logo

Sum/Difference Identities

Authored by Jaclyn Dragon

Other

12th Grade

CCSS covered

Used 108+ times

Sum/Difference Identities
AI

AI Actions

Add similar questions

Adjust reading levels

Convert to real-world scenario

Translate activity

More...

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Which of the following is equivalent to  tan⁡ (A−B)\tan\ \left(A-B\right)  

 tan⁡ A − tan⁡ B\tan\ A\ -\ \tan\ B  

 tan⁡ A −tan⁡ B1+ tan⁡Atan⁡B\frac{\tan\ A\ -\tan\ B}{1+\ \tan A\tan B}  

 tan⁡ A +tan⁡ B1− tan⁡Atan⁡B\frac{\tan\ A\ +\tan\ B}{1-\ \tan A\tan B}  

 sin⁡ Acos⁡ B\frac{\sin\ A}{\cos\ B}  

Tags

CCSS.HSG.SRT.C.7

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Expand  sin⁡ (33o +42o)\sin\ \left(33^{o\ }+42^o\right)  

 sin⁡ 75o \sin\ 75^{o\ }  

 sin⁡ 33ocos⁡42o+cos⁡33osin⁡42o\sin\ 33^o\cos42^o+\cos33^o\sin42^o  

 sin⁡ 33ocos⁡42o−cos⁡33osin⁡42o\sin\ 33^o\cos42^o-\cos33^o\sin42^o  

 cos⁡33ocos⁡42o+sin⁡33osin⁡42o\cos33^o\cos42^o+\sin33^o\sin42^o  

Tags

CCSS.HSG.SRT.C.7

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

 cos⁡75ocos⁡15o−sin⁡75o sin⁡15o\cos75^o\cos15^o-\sin75^{o\ }\sin15^o  is equivalent to

 sin⁡ 90o \sin\ 90^{o\ }  

 sin⁡ 60o \sin\ 60^{o\ }  

 cos⁡ 90o \cos\ 90^{o\ }  

 cos⁡ 60o \cos\ 60^{o\ }  

Tags

CCSS.HSF.TF.C.9

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

 tan⁡45o+tan⁡30o1−tan⁡45otan⁡30o\frac{\tan45^o+\tan30^o}{1-\tan45^o\tan30^o}  is equivalent to

 tan⁡75o\tan75^o  

 tan⁡ 15o\tan\ 15^o  

 sin⁡45ocos⁡30o\frac{\sin45^o}{\cos30^o}  

 tan⁡90o \tan90^{o\ }  

Tags

CCSS.HSF.TF.C.9

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Use sum or difference angles identity to find the exact value for       sin⁡ (−15o)\sin\ \left(-15^o\right)  

 6+24\frac{\sqrt{6}+\sqrt{2}}{4}  

 6−24\frac{\sqrt{6}-\sqrt{2}}{4}  

 2−64\frac{\sqrt{2}-\sqrt{6}}{4}  

 −32-\frac{\sqrt{3}}{2}  

Tags

CCSS.HSF.TF.C.9

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Given  sin⁡x=35and sin⁡y=23,\sin x=\frac{3}{5}and\ \sin y=\frac{2}{3},  where  x and yx\ and\ y  are both in first quadrant.   Evaluate sin⁡(x+y)Evaluate\ \sin\left(x+y\right)  

 35+815\frac{3\sqrt{5}+8}{15}  

 45+615\frac{4\sqrt{5}+6}{15}  

 25+1215\frac{2\sqrt{5}+12}{15}  

 45+25\frac{4\sqrt{5}+2}{5}  

Tags

CCSS.HSF.TF.C.9

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

sin 105º

√3/2
-1/4(√2 + √6)
1/4 (√2 + √6)
2-√3

Tags

CCSS.HSF.TF.C.9

Access all questions and much more by creating a free account

Create resources

Host any resource

Get auto-graded reports

Google

Continue with Google

Email

Continue with Email

Microsoft

Continue with Microsoft

or continue with

Facebook

Facebook

Apple

Apple

Others

Others

By signing up, you agree to our Terms of Service & Privacy Policy

Already have an account?