Sine and Cosine Ratios

Find sin D

• 3/5

• 4/5

• 3/4

• 1/2

Find cos E

• 3/5

• 4/5

• 3/4

• 1/4

Find cos D

• 4/3

• 3/4

• 3/5

• 4/5

What ratio can you find for an angle when you have the opposite side of the angle and the hypotenuse

• cosine

• sine

• tangent

• trigonometry

What ratio can you find for an angle when you have the adjacent side to the angle and the hypotenuse

• cosine

• sine

• tangent

• trigonometry

Which Trig function do you use?

• Sine

• Cosine

• Tangent

Find x

• 9.54

• 15.26

• 0.03

• 0.05

Choose the correct ratio.

• cos(57)=x/20

• sin(57)=x/20

• cos(57)=20/x

• sin(57)=20/x

Choose the correct ratio.

• cos(33)=x/14

• sin(33)=x/14

• cos(33)=14/x

• sin(33)=14/x

Find Cos(A) as a decimal rounded the the nearest ten-thousandth.

• .4706

• .875

• .8824

• .5333