Sine Cosine and Tangents

What are the sine, cosine and tangent of 30°?

• 0.5

  0.866

  0.577

• 1.5

  1.866

  1.577

• 0.15

  0.1866

  0.1577

• 0.939

  0.342

  0.5

Which of the following are the 3 main functions in Trigonometry?

• sine, cosine, tangent

• sine, cotangent, tangent

• cosine, cosecant, cotangent

• cosine, cotangent, tangent

What is the value of tanθ?

• 1.33

• 0.8

• 0.75

• 0.77

The classic 60° triangle has a hypotenuse of length 2, an opposite side of length √3 and an adjacent side of length1:

What is the value of cos(60°)?

• 0.5

• 0.577

• 0.766

• 0.177

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

What are the Amplitude, Period and Midline of this sin graph?

What is tan 45°? #5

• 1

• ^√2/₂

• ^√3/₂

• ½

Find the value of cos(C).

• 29/20

• 21/20

• 20/29

• 20/21

Find the value of tan(X). Yes you have to reduce the fractions.

• 3/4

• 4/3

• 5/3

• 3/5

Determine the tan(25)