Right Triangles, Basic Trig Ratios, Missing Side, Missing Angle

Which equation would be used to solve for x?

• x²+6²=8.5²

• sin(8.5)= x/6

• sin(8.5)= 6/x

• sin^-1(6/8.5)

Which equation would be used to solve for x?

• x²+78²=11²

• sin(78)= x/11

• sin(11)= x/78

• sin^-1(11/78)

Which equation would be used to solve for x?

• x²+25²=32²

• cos(25)= x/32

• tan^-1(32/25)

• cos^-1(25/32)

Which tool would you use?

• Sine

• Cosine

• Tangent

• Pythagorean Theorem

Which would you use to solve for the missing piece?

• 9

• 40

• 41

• none

• 9

• 40

• 41

• none

What is a common way to remember the definitions of the trig ratios?

• SAH COH TOA

• SOA COH TOA

• SOH CAH TOA

• ADJ OPP HYP

• X

• Y

• Z

• X

• Y

• Z