Trigonometric Ratios

The branch of Mathematics that deals with the study of angles and geometric ratios.

• Algebra

• Geometry

• Trigonometry

The Greek word Metron means __________.

• angle

• triangle

• measure

Formula for finding the hypotenuse.

• $a=\sqrt{c^2-b^2}$

• $c=\sqrt{a^2+b^2}$

• $b=\sqrt{c^2-a^2}$

The side across the reference angle in a right triangle.

• opposite side

• adjacent side

• hypotenuse

The longest side of a right triangle.

• opposite side

• adjacent side

• hypotenuse

The word trigonon means _________.

• angle

• triangle

• measure

The value of c when a= 6 and b = 8.

• 10

• 12

• 14

Formula for finding cosine.

• $\cos\ =\ \frac{opp}{hypo}$

• $\cos\ =\ \frac{opp}{adj}$

• $\cos\ =\ \frac{adj}{hypo}$

Which of the following illustrates sine 52⁰?

• $\frac{AJ}{CJ}$

• $\frac{AJ}{CA}$

• $\frac{CA}{CJ}$

 $\frac{AJ}{CA}$  Which of the following trigonometric ratios illustrates

• Sine

• Cosine

• Tangent