Sine Cosine or Tangent Length

Determine the value of: sin(C)

• 7 / 25

• 24 / 25

• 25 / 7

• 24 / 7

Determine the value of: cos(C)

• 7 / 25

• 24 / 25

• 25 / 7

• 24 / 7

Which trig ratio or function should you use to find the value of "h"?

• sine

• cosine

• tangent

• an inverse trig function

sin X = ​ (a)  

cos X = ​ (b)  

tan X = ​ (c)  

Tags

CCSS.MATH.CONTENT.HSG.SRT.C.8

Find the length of side y.

• 22.32 cm

• 36.5 cm

• 76.34 cm

• 87.76 cm

Mathematical Equivalence

ON

Tags

CCSS.MATH.CONTENT.HSG.SRT.C.8

sin J = ​ (a)  

cos J = ​ (b)  

tan J = ​ (c)  

•  

•  

•  

Tags

CCSS.MATH.CONTENT.HSG.SRT.C.8

sin A = ​​ (a)   ​

cos A = ​​ (b)  

tan A = ​ (c)  

Tags

CCSS.MATH.CONTENT.HSG.SRT.C.8

What about tangent? Use the triangle to answer the following questions. In terms of x and y, what does tanθ equal? tanθ=​ ​ (a)   In terms of sinθ and cosθ, what does tanθ equal? tanθ=​ (b)  

• x

• y

• sinθ

• cosθ

• sin Z

• cos Z

• tan Z