Sum Difference Double Half Angles Identities

Sum Difference Double Half Angles Identities

11th - 12th Grade

10 Qs

quiz-placeholder

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Sum Difference Double Half Angles Identities

Sum Difference Double Half Angles Identities

Assessment

Quiz

Mathematics

11th - 12th Grade

Medium

CCSS
HSF.TF.C.9, HSG.SRT.C.7

Standards-aligned

Created by

Hung Tran

Used 471+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

 cos70ocos40osin70osin40o \cos70^o\cos40^o-\sin70^o\sin40^o\   is equivalent to

 cos30o\cos30^o  

 cos70o \cos70^{o\ }  

 cos110o\cos110^o  

 sin70o \sin70^{o\ }  

Tags

CCSS.HSF.TF.C.9

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

If  sinA=35,sinB=23,\sin A=\frac{3}{5},\sin B=\frac{2}{3},   and A and Band\ \angle A\ and\ \angle B  are acute angles, what is the value of  cos(AB)?\cos\left(A-B\right)?  

 23-\frac{2}{3}  

 45615\frac{4\sqrt{5}-6}{15}  

 45+25\frac{4\sqrt{5}+2}{5}  

 45+615\frac{4\sqrt{5}+6}{15}  

Tags

CCSS.HSF.TF.C.9

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

If cosA=13\cos A=\frac{1}{3}  , then the positive value of  tan A2\tan\ \frac{A}{2}  ?

 2\sqrt{2}  

 3\sqrt{3}  

 33\frac{\sqrt{3}}{3}  

 22\frac{\sqrt{2}}{2}  

Tags

CCSS.HSF.TF.C.9

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

If tanA=23 and tanB=12,\tan A=\frac{2}{3}\ and\ \tan B=\frac{1}{2},  what is the value of  tan(A+B)?\tan\left(A+B\right)?  

 18\frac{1}{8}  

 78\frac{7}{8}  

 14\frac{1}{4}  

 74\frac{7}{4}  

Tags

CCSS.HSF.TF.C.9

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

If sinA=45,tanB=512,\sin A=\frac{4}{5},\tan B=\frac{5}{12},  and A and B are first quadrant angles, what is the value of  sin(A+B)\sin\left(A+B\right)  ?

 6365\frac{63}{65}  

 3365-\frac{33}{65}  

 3365\frac{33}{65}  

 6365-\frac{63}{65}  

Tags

CCSS.HSF.TF.C.9

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

 sin96ocos24o+cos96osin24o \sin96^o\cos24^o+\cos96^o\sin24^o\   is equivalent to

 sin120o\sin120^o  

 sin72o \sin72^{o\ }  

 cos120o\cos120^o  

 cos72o\cos72^o  

Tags

CCSS.HSF.TF.C.9

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

The expression 2sin30ocos30o2\sin30^o\cos30^o  has the same value as

 sin15o\sin15^o  

 cos60o\cos60^o  

 sin60o\sin60^o  

 cos15o\cos15^o  

Tags

CCSS.HSG.SRT.C.7

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