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Trig Identities Formulas

Authored by Stanley Casie-May

Mathematics

12th Grade

CCSS covered

Used 41+ times

Trig Identities Formulas
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Csc x =

1 + tan x

 1sinx\frac{1}{\sin x}  

 1cos x\frac{1}{\cos\ x}  

 rx\frac{r}{x}  

Tags

CCSS.HSF.TF.A.4

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 tan2x\tan^2x  

 1+sec2x1+\sec^2x  

 1sec2x1-\sec^2x  

 sec2x 1\sec^2x\ -1  

 cos2xsin2x\frac{\cos^2x}{\sin^2x}  

Tags

CCSS.HSF.TF.C.8

3.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

 cos2x=\cos^2x=  

 1+sin2x1+\sin^2x  

 sin2x 1\sin^2x\ -1  

 1sin2x1-\sin^2x  

 1sec2x\frac{1}{\sec^2x}  

 1csc2x\frac{1}{\csc^2x}  

Tags

CCSS.HSF.TF.C.8

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

sin(a + b)

sin a sin b + cos a cos b

sin a sin b - cos a cos b

sin a cos b + cos a sin b

sin a cos b - cos a sin b

Tags

CCSS.HSF.TF.C.9

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

cos (a - b)

cos a cos b + sin a sin b

cos a cos b - sin a sin b

cos a sin b - sin a cos b

cos a sin b + sin a cos b

Tags

CCSS.HSF.TF.C.9

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 tan (ab)=\tan\ \left(a-b\right)=  

 tanatan b1+tanatanb\frac{\tan a-\tan\ b}{1+\tan a\tan b}  

 tana+tanb1+tanatanb\frac{\tan a+\tan b}{1+\tan a\tan b}  

 tanatanb1tanatanb\frac{\tan a-\tan b}{1-\tan a\tan b}  

 tana+tanb1tanatanb\frac{\tan a+\tan b}{1-\tan a\tan b}  

Tags

CCSS.HSF.TF.C.9

7.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

 cos 2x=\cos\ ^2x=  

(1 + sinx)(1 - sinx)

 1sin2x1-\sin^2x  

 sin2x1\sin^2x-1  

 1 + tan2x1\ +\ \tan^2x  

Tags

CCSS.HSF.TF.C.8

CCSS.HSF.TF.A.3

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