Determining When to Use Sine, Cosine, or Tangent

What is the sine of the 38 degree angle?

• 22/17

• 22/28

• 17/22

• 17/28

If cosθ = 4/7 and θ is in Q I, find tan θ.

• √33 / 4

• 4√33 / 33

• 7 /4

• √65 / 4

What is the sine of the 31 degree angle?

• 14/9

• 9/14

• 14/16

• 9/16

Determine whether to use sin, cos, or tan to find the height of the tree.

• sin

• cos

• tan

Determine whether to use sin, cos, or tan to find the height of the lighthouse?

• sin

• cos

• tan

Determine whether to use sin, cos, or tan to find the distance from the tree branch to the mouse.

• sin

• cos

• tan

Determine whether to use sin, cos, or tan to find x.

• cos

• sin

• tan

Determine whether to use sin, cos, or tan to find x.

• sin

• cos

• tan

Determine whether to use sin, cos, or tan to find x.

• sin

• cos

• tan

Find the lie.

• The mnemonic TOA is tangent is opposite over adjacent.

• CAH stands for cosecant is adjacent over hypotenuse.

• SOH stands for sine is opposite over hypotenuse.