Trigonometry

Which of the following are special triangles? (there are 3 correct answers)

• 45-45-90

• 40-50-90

• Isosceles Right Triangles

• 30-60-90

Tags

CCSS.HSG.CO.C.10

What is "x"?

• 7

• 14

• $7\sqrt{3}$
  

• $7\sqrt{2}$

Tags

CCSS.8.G.B.8

What is "c"?

• $4\sqrt{3}$

• $8\sqrt{3}$

• $4\sqrt{9}$

• 12

Tags

CCSS.HSG.SRT.C.8

Find "x"

• $\sin\left(37\degree\right)=\frac{x}{15}$

• $\sin\left(37\degree\right)=\frac{15}{x}$

• $\cos\left(37\degree\right)=\frac{15}{x}$

• $\cos\left(37\degree\right)=\frac{x}{15}$

Tags

CCSS.HSG.SRT.C.6

What is "x"?

• $\sin\left(68\degree\right)=\frac{x}{4}$

• $\tan^{-1}\left(\frac{x}{4}\right)$

• $\tan\left(68\degree\right)=\frac{x}{4}$

• $\sin^{-1}\left(\frac{4}{x}\right)$

Tags

CCSS.HSG.SRT.C.8

Find the measure of x

• $\cos^{-1}\left(\frac{9}{8}\right)$

• $\cos^{-1}\left(\frac{8}{9}\right)$

• $\sin^{-1}\left(\frac{9}{8}\right)$

• $\tan^{-1}\left(\frac{9}{8}\right)$

Tags

CCSS.HSF.TF.B.7

Find the measure of angle "x"

• $\tan^{-1}\left(\frac{8}{21}\right)$

• $\sin^{-1}\left(\frac{8}{21}\right)$

• $\cos^{-1}\left(\frac{21}{8}\right)$

• $\tan^{-1}\left(\frac{21}{8}\right)$

Tags

CCSS.HSG.SRT.C.8

What is "a"?

• 3

• $3\sqrt{5}$

• $6\sqrt{10}$

• 6

Tags

CCSS.8.G.B.8

hi :) was this too easy for you?

• yes i'm too smart for this :,)

• no i think it was perfect O.O

• it was a lil hard T-T

• kinda easy :^)

Tags

CCSS.RL.2.6

CCSS.RL.8.3

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