Prep Geometry Trig Review

In a 30-60-90 or 45-45-90 triangle, which side is opposite of the 90 degree angle?

• Long leg

• Leg

• Short leg

• Hypotenuse

Which of the following is the correct ratio of sides for the SINE function?

• Opposite/Hypotenuse

• Hypotenuse/Opposite

• Adjacent/Hypotenuse

• Opposite/Adjacent

Which of the following is the correct ratio of sides for the COSINE function?

• Opposite/Hypotenuse

• Hypotenuse/Adjacent

• Adjacent/Hypotenuse

• Opposite/Adjacent

Which of the following is the correct ratio of sides for the TANGENTfunction?

• Opposite/Hypotenuse

• Adjacent/Opposite

• Adjacent/Hypotenuse

• Opposite/Adjacent

What is the sin A?

• b/c

• c/a

• a/c

• a/b

What is the cos A?

• b/c

• c/b

• a/c

• a/b

What is the tan A?

• b/c

• b/a

• a/c

• a/b

Solve for x and y in the special right triangle.

• x = 7, y = 7√2
• x = 14 y = 7√2
• x = 14√2 y = 7√2
• x = 14 y = 14√2

Solve for u and v in the special right triangle.

• v = 9√3, u = 6√3
• v = 6√3 u = 9√3
• v = 9, u = 6√3
• v = 3√6, u = 6√3

Find the trig value rounded to the nearest ten-thousandth.
Tan(42°)

• .9004
• .8123
• 88.6361
• 42