Geometry Section 9.2 Sine and Cosine Day 2

Geometry Section 9.2 Sine and Cosine

Day 2 - Using sine and cosine ratios to find the missing sides of triangles.

Multiple Choice

Which trigonometric function should we use to solve this triangle for x?

• sine

• cosine

• tangent

• Pythagorean Theorem

Fill in the Blank

Find the value of x to the nearest integer.

Multiple Choice

Which trigonometric function should we use to find the measure of theta $$\theta$$ (the angle)

• sine

• cosine

• tangent

• Pythagorean Theorem

Fill in the Blank

Find the measure of the angle to the nearest degree

SOH CAH TOA

Multiple Choice

Which function should you use to find x?

• sine

• cosine

• tan

• Pythagorean Theorem
  

Multiple Choice

Find the value of x.

• 15.1

• 27.7

• 9.8

• 33.0

• 21.5

Multiple Choice

Which function should you use to find y?

• sine

• cosine

• tan

• Pythagorean Theorem
  

Multiple Choice

Find the value of y.

• 15.1

• 27.7

• 9.8

• 33.0

• 21.5

Multiple Choice

Find the value of x.

• 71.3

• 19.0

• 18

• 18.7

• 72

Fill in the Blank

Find the value of x .

x =

to the nearest tenth

.

Fill in the Blank

Find the value of y .

y =

to the nearest tenth

.

Fill in the Blank

If a wire was attached to the top of the tree to a stake in the ground at the person's feet, how long would the wire need to be? (find the length of the hypotenuse to the nearest tenth)

.

Homework Day 2

• Complete the rest of the 9.2 Formative