Sine and Cosine of 30-60-90

What is the missing number?
sin(60) = cos(   )

• 10

• 20

• 30

• 40

Tags

CCSS.HSG.SRT.C.7

What is the value of sine at 30

• 1/2

• √3 / 2

• 0

• √2 ⁄ 2

Tags

CCSS.HSF.TF.A.2

If I wanted to find the sine of an angle, what side lengths would I need to know?

• base, hypotenuse

• hypotenuse, adjacent

• opposite, hypotenuse

• adjacent, opposite

Tags

CCSS.HSG.SRT.C.6

You are making a guitar pick that resembles an equilateral triangle with side lengths of 32 millimeters. What is the approximate height of the pick? (hint: use 30-60-90 theorems)

• 32√3

• 16√3

• 32

• 16√2

Tags

CCSS.8.G.B.7

What sides do you use for the SINE ratio?

• Opposite and Hypotenuse

• Opposite and Adjacent

• Length and Width

• Adjacent and Hypotenuse

Tags

CCSS.HSG.SRT.C.6

What is the missing number?
Sin(   ) = Cos(60)

• 20

• 25

• 30

• 35

Tags

CCSS.HSG.SRT.C.7

What is cos 60°?

• ½

• ^√3/₂

• ^√2/₂

• 1

Tags

CCSS.HSF.TF.A.2

What is sin 30°?

• ^√3/₂

• 1

• ½

• ^√2/₂

Tags

CCSS.HSF.TF.A.2

What is cos 30°?

• ^√3/₂

• ½

• ^√2/₂

• 1

Tags

CCSS.HSF.TF.A.2

How many degrees is ^π/₃ radians?

• 30°

• 45°

• 60°

• 90°

Tags

CCSS.HSF.TF.A.1