Basic Trigonometry Identify Sides

What is the side across from the right angle called?

• Leg

• Pythagoras

• Hypotenuse

• Altitude

What is the ratio for tangent?

• O/A

• A/O

• A/H

• O/H

What is the ratio for sine?

• O/H

• H/A

• H/O

• O/A

What is the ratio for cosine?

• H/A

• O/A

• A/H

• A/O

What leg is considered the hypotenuse?

• Any side

• the side opposite the smallest angle

• the side opposite the right angle

• the side opposite the shortest leg

What type of triangles do you use the trig ratios with?

• any type

• right triangle

• obtuse triangle

• acute triangle

What can you find with trig ratios?

• Missing sides

• missing angles

• area of a triangle

• missing sides and angles

Which ratio represents cos(C)?

• 16/34

• 16/30

• 30/34

• 34/16

Which is the trig function that relates the adjacent side and the hypotenuse?

• cosine

• sine

• tangent

• all of the above

Which is the trig function that relates the opposite side and the hypotenuse?

• tangent

• sine

• cosine

• all of the above