Exploring Trigonometric Ratios

Which trigonometric ratio is defined as opposite/hypotenuse?

• Cosine

• Sine

• Tangent

• Secant

Which trigonometric ratio is defined as adjacent/hypotenuse?

• Sine

• Cosine

• Tangent

• Cosecant

 Which trigonometric ratio is defined as opposite/adjacent?

• Cosecant

• Secant

• Tangent

• Cotangent

Which trigonometric ratio is the reciprocal of sine?

• Cosine

• Secant

• Cosecant

• Cotangent

Which trigonometric ratio is the reciprocal of cosine?

• Sine

• Tangent

• Secant

• Cosecant

 Which trigonometric ratio is the reciprocal of tangent?

• Cotangent

• Cosecant

• Cosine

• Sine

What is the value of sin(0°)?

• 1

• 0

• Undefined

• -1

What is the value of cos(90°)?

• 1

• 0

• Undefined

• -1

In a right-angled triangle, if the opposite side is 3 and the hypotenuse is 5, what is the sine of the angle?

• 3/5

• 5/3

• 4/5

• 5/4

In a right-angled triangle, if the adjacent side is 4 and the hypotenuse is 5, what is the cosine of the angle?

• 3/5

• 5/3

• 4/5

• 5/4