Trigonometric Ratios

In SOHCAHTOA what does O stand for?

• Outside

• Opposite

• Over

• Order

The Tangent Ratio represents ...

• Opposite over Adjacent

• Hypotenuse over Opposite

• Opposite over adjacent

• Ratio over opposite

What can you find with trig ratios (sin, cos, tan)?

• Missing sides

• missing angles

• area of a triangle

• missing sides, angles and area of a triangle

From ∠C, what side is AB?

• Adjacent

• Hypotenuse

• Opposite

Which is the ratio of the opposite leg to the hypotenuse in a right triangle?

• sine

• cosine

• tangent

• secant

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

• any type

• right triangle

• obtuse triangle

• acute triangle

What is the side across from the right angle called?

• Leg

• Pythagoras

• Hypotenuse

• Altitude

 Find sinA

• 32/24

• 24/32

• 24/40

• 32/40

Find sinC

• 28/35

• 35/28

• 21/35

• 28/21

Find cosA

• 30/16

• 30/15

• 30/34

• 16/34