Trigonometry Finding a side- Denominator unknown

Which trig ratio would you use for the following?

• Sin

• Cos

• Tan

• You would not be able to use trigonometry

Tags

CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8

Which trig ratio would you use for the following?

• Sin

• Cos

• Tan

• You would not be able to use trigonometry

Tags

CCSS.HSF.TF.A.3

CCSS.HSG.SRT.C.6

What is the first step when using trigonometry?

• Work out which ratio to use.

• Enter values into the calculator.

• Label the sides.

• Panic and skip to the next question.

Where would you label 'h'?

• Opposite the given angle.

• Opposite the right angle.

• The unknown side.

• The side that has a length already given.

Where would you label 'o'?

• Opposite the given angle.

• Opposite the right angle.

• The unknown side.

• The side that has a length already given.

Find the length of side w.

• 21.4 cm
• 18.0 cm
• 36.5 cm
• 43.6 cm

 Find side AB?

• 20 m
• 5 m
• 11.54 m
• 8.66 m

Solve for the misssing distance

• 18.9
• 19.5
• 47
• 27.5

Solve for x.

• 50.7
• 50.1
• 60.7
• 61.0

What equation can be used to solve for x?

• Sin(40°)= x/40 
• Sin(40º)=x/19
• Cos(40º)=x/19
• Tan(40°)=19/x

Tags

CCSS.HSG.SRT.C.8