Exploring Geometry and Trigonometry Concepts

What is the mnemonic used to remember trigonometric ratios?

• Hypotenuse

• Choka

• Pythagoras

• SOHCAHTOA

What does the 'S' in SOHCAHTOA stand for?

• Secant

• Sine

• Side

• Soh

Which trigonometric ratio is defined as the opposite side divided by the hypotenuse?

• Tangent

• Sine

• Cosine

• Cotangent

If the angle is 30 degrees and the hypotenuse is 10, what is the sine of the angle?

• 1

• 0.3

• 0.5

• 0.866

In a right triangle, if the adjacent side is 7 and the hypotenuse is 25, what is the cosine of the angle?

• 0.7

• 0.28

• 0.96

• 0.84

What is the tangent of an angle if the opposite side is 7 and the adjacent side is 24?

• 0.7

• 0.29

• 0.84

• 0.96

Which trigonometric function would you use if you have the opposite side and the hypotenuse?

• Cosine

• Sine

• Secant

• Tangent

If the angle is 35 degrees and the hypotenuse is 20, what is the length of the opposite side?

• 10

• 11.47

• 14.35

• 7

How do you find an angle using the inverse sine function?

• sin^-1(opposite/hypotenuse)

• cos^-1(opposite/hypotenuse)

• tan^-1(opposite/hypotenuse)

• sec^-1(opposite/hypotenuse)

What is the measure of angle X if sin(X) = 0.6?

• 30 degrees

• 53.13 degrees

• 36.86 degrees

• 45 degrees