Determining When to Use Sine, Cosine, or Tangent

Find the value of tan A.

• 17/8
• 17/15
• 8/17
• 8/15

Find the value of cos X.

• 3/5
• 3/4
• 4/5
• 4/3

Find the value of sin Z.

• 17/8
• 8/15
• 17/15
• 15/17

Find the value of cos X.

• 3/4
• 4/5
• 5/4
• 4/3

Which trig ratio would you use to solve for x?

• tangent
• cosine
• radians
• sine

What would be the next step to solve for x?

• Multiply both sides by cos 75
• Divide both sides by cos 75
• Divide both sides by 75
• Multiply both sides by 11

Which of the following represents the value of x?

• 10/sin 47
• 10*tan 47
• 10*sin 47
• 10/tan 47

Find the mistake

• tan 68 should be cos 68
• there is no mistake
• they should have divided 
• x/14 should be 14/x

Which trig ratio would you use to solve for x?

• sine
• tangent
• cosine
• hypotenuse

What side does x represent?

• hypotenuse
• right angle
• adjacent
• opposite