Sine and Cosine Application

• 27/36
• 27/45
• 45/36
• 45/27

A 25ft ladder is leaning up against a wall. If the ladder makes a 63^o with the ground, how far is the base of the ladder from the wall?

• 12.4 ft

• 11.3 ft

• 22.3 ft

• 49.1 ft

Which of the following is a real-world application of sine and cosine functions?

• Calculating interest rates

• Modeling sound waves

• Predicting stock prices

• Balancing chemical equations

Find h₂

• 16.73 ft

• 22.51 ft

• 18.59 ft

• 20.79 ft

If you are given the opposite side and hypotenuse, which trig function should you use?

• sine

• cosine

• tangent

• cotangent

The 4 key features that we'll use for sine/cosine graphs are

M: ​ (a)   ​

A: ​ (b)  

P: ​ (c)  

PS:​ (d)  

• midline

• amplitude

• period

• phase shift

When the angle of elevation of the sun is 78 degrees, an statue casts a shadow that is 6m long. What trig function would you use to determine how the top of the statue is from the end of its shadow?

• Sine

• Cosine

• Tangent

• Cotangent

• Cocosine

When the angle of elevation of the sun is 78 degrees, an statue casts a shadow that is 6m long. How far is the top of the statue to the end of its shadow?

• 2 m

• 28.9 m

• 6.1 m

• 28.2 m

The __________ represents half the height of a sine or cosine graph.

• Period

• Midline

• Range

• Amplitude

If you are given the opposite side and the hypotenuse which trig function should you use?

• sine

• cosine

• tangent

• cotangent