trig identities, double angle, half angle

trig identities, double angle, half angle

9th - 12th Grade

10 Qs

quiz-placeholder

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trig identities, double angle, half angle

trig identities, double angle, half angle

Assessment

Quiz

Mathematics

9th - 12th Grade

Hard

CCSS
HSF.TF.C.9, HSF.TF.C.8

Standards-aligned

Created by

Gary Blanpied

Used 27+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 If sinθ = 45, where 0θπ2,find sin2θIf\ \sin\theta\ =\ \frac{4}{5},\ where\ 0\le\theta\le\frac{\pi}{2},find\ \sin2\theta  

 1225\frac{12}{25}  

 2425\frac{24}{25}  

 2425-\frac{24}{25}  

 35\frac{3}{5}  

Tags

CCSS.HSF.TF.C.9

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 If sinθ = 45, where 0θπ2,find sin(θ2)If\ \sin\theta\ =\ \frac{4}{5},\ where\ 0\le\theta\le\frac{\pi}{2},find\ \sin\left(\frac{\theta}{2}\right)  

 25\sqrt{\frac{2}{5}}  

 15\sqrt{\frac{1}{5}}  

 5-\sqrt{5}  

 15-\sqrt{\frac{1}{5}}  

Tags

CCSS.HSF.TF.C.9

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 If sinθ = 45, where πθ3π2,find sin2θIf\ \sin\theta\ =\ \frac{-4}{5},\ where\ \pi\le\theta\le\frac{3\pi}{2},find\ \sin2\theta  

 1225\frac{12}{25}  

 2425\frac{24}{25}  

 2425-\frac{24}{25}  

 35\frac{3}{5}  

Tags

CCSS.HSF.TF.C.9

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 If sinθ = 45, where πθ3π2,find tan2θIf\ \sin\theta\ =\ \frac{-4}{5},\ where\ \pi\le\theta\le\frac{3\pi}{2},find\ \tan2\theta  

 247\frac{-24}{7}  

 247\frac{24}{7}  

 2425-\frac{24}{25}  

 2425\frac{24}{25}  

Tags

CCSS.HSF.TF.C.9

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 If cosθ = 35, where 0θπ2,find cos2θIf\ \cos\theta\ =\ \frac{3}{5},\ where\ 0\le\theta\le\frac{\pi}{2},find\ \cos2\theta  

 1225\frac{12}{25}  

 2425\frac{24}{25}  

 725-\frac{7}{25}  

 725\frac{7}{25}  

Tags

CCSS.HSF.TF.C.9

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 If sinθ = 45, where π2θπ,find cos2θIf\ \sin\theta\ =\ \frac{4}{5},\ where\ \frac{\pi}{2}\le\theta\le\pi,find\ \cos2\theta  

 725\frac{7}{25}  

 2425\frac{24}{25}  

 2425-\frac{24}{25}  

 725\frac{-7}{25}  

Tags

CCSS.HSF.TF.C.9

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 If sinθ = 45, where π2θπ,find sin2θIf\ \sin\theta\ =\ \frac{4}{5},\ where\ \frac{\pi}{2}\le\theta\le\pi,find\ \sin2\theta  

 725\frac{7}{25}  

 2425\frac{24}{25}  

 2425-\frac{24}{25}  

 725\frac{-7}{25}  

Tags

CCSS.HSF.TF.C.9

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