Solving Trig with Soh Cah Toa

Set up the problem.

• sin(47) = x/28

• cos(47) = x/28

• tan(47) = x/28

• cos(47) = 28/x

How do you know when you will have to divide after setting up your trig function when solving for a missing side length using trig?

• when the variable is in the denominator

• when the variable is in the numerator

• every time

• never

Which one is the easy trick to remember trigonometric ratios?

• Sah Coh Toa

• Soh Cah Toa

• Soh Cah Tao

• Soh Ceh Toa

TANGENT = ​ (a)   /​ (b)  

• Opposite

• Adjacent

• Hypotenuse

SINE = ​ (a)   /​ (b)  

• Opposite

• Hypotenuse

• Adjacent

COSINE = ​ (a)   /​ (b)  

• Adjacent

• Hypotenuse

• Opposite

Which Trig function do you use?

• Sine

• Cosine

• Tangent

Choose the correct ratio.

• sinZ=5/13

• sinX=5/13

• cosX=13/12

• tanZ=12/5

Which Trig function do you use?

• Sine

• Cosine

• Tangent

Solving for d to the nearest whole number.