Review of Right Triangles and Trigonometry

Which side is the long leg in this 30-60-90 triangle?

• 4

• u

• v

Which side is the short leg of this 30-60-90 triangle?

• 6

• m

• n

Which trigonometric ratio is correct?

• cosC= adj/hyp

• sinC= adj/hyp

• tanC= adj/hyp

• tanC=adj/opp

If you are given the two sides that are not the hypotenuse, which trig function should you use?

• sine

• cosine

• tangent

• cotangent

What is the value of x?

• 4.20

• 7.32

• 0.14

• 4.91

• 24/32
• 32/24
• 32/40
• 24/40

• 14/48
• 48/50
• 14/50
• 48/14

• 27/36
• 27/45
• 45/36
• 45/27

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