Trig Formulas

How do you know which side is the OPPOSITE in a right triangle?

• It is next to the right angle
• It is opposite the right angle
• It is opposite the theta (the side you can't touch if you are standing at the angle).
• It is the bottom leg of the triangle

Which one is the easy way to remember trigonometric ratios?

• Sah Coh Toa
• Soh Cah Toa
• Soh Cah Tao
• Soh Ceh Toa

Give the Ratio for TAN X

• Adj/Opp
• Opp/Adj
• Adj/Hyp
• Opp/Hyp

Tags

CCSS.HSG.SRT.C.6

Give the Ratio for COS X

• Adj/Hyp
• Opp/Adj
• Adj/Opp
• Opp/Hyp

Tags

CCSS.HSG.SRT.C.6

Give the Ratio for SIN X

• opp/adj
• Adj/hyp
• Opp/hyp
  
• adj/opp

Tags

CCSS.HSG.SRT.C.6

If you are given 2 of the sides to an obtuse triangle, which trig function should you use to find the other side?

• sine
• cosine
• tangent
• You can only use trig functions on right triangles.

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

• sine
• cosine
• tangent
• cotangent

Tags

CCSS.HSG.SRT.C.6

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

• sine
• cosine
• tangent
• cotangent

Tags

CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8

Which trigonometric ratio is correct?

• sinA= opp/adj
• cosA= opp/hyp
• tanA= opp/adj
• sinA= adj/opp

Tags

CCSS.HSG.SRT.C.6

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

• sine
• cosine
• tangent
• cotangent

Tags

CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8