Unit 3 Quiz Review

Find the ratio for sinA. (Reduce the fraction)

• 36/27
• 4/5
• 36/45
• 3/5

What is the cosine of angle P?

• p/q
• q/r
• p/r
• r/q

If you are given the opposite side and hypotenuse, which trig function should you use?

• sine
• cosine
• tangent
• cotangent

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

• sine
• cosine
• tangent
• cotangent

Choose the correct ratio.

• sinZ=5/13
• sinX=5/13
• cosX=13/12
• tanZ=12/5

From the reference ∠C, what side is AB?

• Adjacent
• Hypotenuse
• Opposite
• 90 degrees

In ∆ABC, where ∠C is a right angle,

cos A= 21 ⁄ 5 . What is sin B? Hint: draw the triangle

• 21 ⁄ 5

• 21 ⁄ 2

• 2 ⁄ 5

• 5 ⁄ 21

Find the missing side.

• 9
• 41
• 6.4
• 3

Find the missing side

• 36
• 76.8
• 12
• 40

Choose the correct ratio.

• cos(33)=x/14
• sin(33)=x/14
• cos(33)=14/x
• sin(33)=14/x