Right Triangle Trigonometry: Finding Missing Sides

What does the mnemonic SOH CAH TOA help us remember?

• Angles of a triangle

• Methods to draw triangles

• Trigonometric ratios

• Steps to solve equations

In a right triangle, if one angle is given, how is the side opposite to this angle termed?

• Hypotenuse

• Adjacent

• Opposite

• Vertical

What is the trigonometric ratio for tangent based on SOH CAH TOA?

• Opposite over Hypotenuse

• Adjacent over Hypotenuse

• Opposite over Adjacent

• Adjacent over Opposite

How do you ensure your calculator is set to the correct mode for trigonometric calculations?

• Set to degree mode

• Set to gradient mode

• No specific setting required

• Set to radian mode

What is the result of the tangent of 28 degrees approximately?

• 0.532

• 1.0

• 0.345

• 0.928

When solving for a side using the sine ratio, what is the formula used?

• Sine = Adjacent / Opposite

• Sine = Opposite / Hypotenuse

• Sine = Adjacent / Hypotenuse

• Sine = Hypotenuse / Opposite

What is the approximate value of sine of 71 degrees?

• 0.325

• 0.562

• 0.946

• 0.789

In the proportion method, what does cross multiplying help to solve?

• To add values across the equation

• To simplify the equation

• To find the value of x in the equation

• To subtract values across the equation

What is the value of x when solving tangent of 58 degrees equals 15 over x?

• 28

• 58

• 15

• 9.375

What is the approximate product of 19 and 2.61 in the final example?

• 29.5

• 59.5

• 39.5

• 49.5