Sin and Cos Relationships

Which of the following is equal to cos  $35\degree$  ?

•  $\sin\ 35\degree$  

•  $\cos\ 55\degree$  

•  $\sin\ 55\degree$  

•  $\cos\ 145\degree$  

Tags

CCSS.HSG.SRT.C.7

Which of the following is equal to the $\sin\ 8\degree$  ? 

•  $\sin\ 82\degree$  

•  $\cos\ 8\degree$  

•  $\cos\ 82\degree$  

•  $\sin\ 98\degree$  

Tags

CCSS.HSG.SRT.C.7

 $\sin\ 14\degree=$  

•  $\sin\ 66\degree$  

•  $\cos\ 66\degree$  

•  $\sin\ 76\degree$  

•  $\cos\ 76\degree$  

Tags

CCSS.HSG.SRT.C.7

Which of the following are equal to the  $\cos\ 40\degree$  ? 

•  $\sin\ 50\degree$  

•  $\sin\ 40\degree$  

•  $\tan\ 50\degree$  

•  $\cos\ 50\degree$  

Tags

CCSS.HSF.TF.A.3

If  $\sin\theta=\cos\beta$  , then the two angles must be

• complementary

• supplementary

• a linear pair

• adjacent

Tags

CCSS.HSF.TF.A.3

CCSS.HSG.SRT.C.7

Which of the following statements are true? Select all that apply.

• $\sin\ 45=\cos\ 45$

• $\tan\ 80\ =\ \cos\ 10$

• $\sin\ 55=\cos\ 45$

• $\cos\ 30=\sin60$

• $\tan\ 45=1$

Tags

CCSS.HSF.TF.A.3

CCSS.HSG.SRT.C.7

Given the ratio $\frac{12}{13}$ , which of the following is NOT equal to this value?  

•  $\frac{AC}{BC}$  

•  $\frac{AB}{BC}$  

•  $\cos\ \angle C$  

•  $\sin\ \angle B$  

Tags

CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8

CCSS.HSG.SRT.D.11

Given the ratio $\frac{5}{12}$ , which of the following are NOT equal to this?  

•  $\frac{AB}{AC}$  

•  $\tan\ \angle C$  

•  $\tan\ \angle B$  

•  $0.41\overline{6}$  

Tags

CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8

If  $\cos\ \theta=\sin\ \beta$  , which of the following MUST be true? 

•  $\theta+\beta=180$  

•  $\theta-\beta=90$  

•  $\beta=90-\theta$  

•  $\beta-\theta=90$  

Tags

CCSS.HSG.SRT.C.7

What does x equal if  $\sin\left(x-5\right)=\cos\left(4x+10\right)$  ? 

Tags

CCSS.HSF.TF.B.7

CCSS.HSF.TF.C.8

CCSS.HSF.TF.C.9