Exploring Inverse Trig Ratios with Soh-Cah-Toa

What trigonometric ratio is used when dealing with opposite and adjacent sides?

• Cotangent

• Tangent

• Sine

• Cosine

What does the 'CAH' in SOHCAHTOA stand for?

• Cotangent equals Adjacent over Opposite

• Cosine equals Adjacent over Hypotenuse

• Cotangent equals Adjacent over Hypotenuse

• Cosine equals Adjacent over Opposite

How do you solve for an angle when you know the opposite and adjacent sides?

• Use the direct trigonometric ratio

• Multiply the sides

• Use the inverse trigonometric ratio

• Divide the hypotenuse by the adjacent side

What is the result of performing the inverse tangent of 9 over 8?

• Approximately 48.37 degrees

• Approximately 50 degrees

• Approximately 42 degrees

• Approximately 45 degrees

What does the inverse trigonometric function do?

• It multiplies the given sides

• It finds the ratio of the sides

• It calculates the hypotenuse

• It solves for the angle given the sides

What is the purpose of the 'second' button when using trigonometric functions on a calculator?

• To reset the calculator

• To multiply the result by two

• To perform the direct trigonometric function

• To access the inverse trigonometric functions

Which trigonometric function is used when given the adjacent and hypotenuse sides?

• Secant

• Tangent

• Cosine

• Sine

What is the result of performing the inverse cosine of 5 over 21?

• Approximately 73 degrees

• Approximately 80 degrees

• Approximately 76.23 degrees

• Approximately 70 degrees

What error occurs if you incorrectly assign the hypotenuse and adjacent sides?

• Syntax error

• Calculation error

• No error, but an incorrect result

• Mathematical error

What should the hypotenuse always be in a right triangle?

• Equal to the square root of the sum of the squares of the other two sides

• Equal to the sum of the other two sides

• The longest side

• The shortest side