Algebra 2 Trig Review

Susan is flying a kite, which gets caught in the top of a tree.  Use the diagram to estimate the height of the tree. 

• 63 ft
• 65 ft
• 74 ft
• 87 ft

What is csc(x) equivalent to?

• $\frac{1}{\sin(x)}$

• $\frac{1}{\tan(x)}$

• $\sin(x)$

• $\frac{1}{\cos(x)}$

Please select the correct solution:
 $\frac{\sin\left(x\right)}{\cos\left(x\right)}=?$  

• csc x

• sec x

• cot x

• tan x

What is the amplitude of y = 3 cos 2x?

• 3

• 2

• 1/2

• $\pi$

What is the equation of the graph?

•  y = 2 cos x
• y = sin x
• y = 2 sin x
• y = sin 2x 

What is the period

of

y = 3 sin 2x?

• 2

• 3

• π

• 2π

Sine or Cosine?

• y=sinx
• y=cosx

Sine or Cosine?

• y=sinx
• y=cosx

Write the equation for a sine function with an amplitude of 6 and a period of π/4.

•  $y=6\sin(8x)$  

•  $y=6\sin\frac{\pi}{4}(x-1)$  

•  $y=6\sin\frac{1}{4}x$  

•  $y=6\sin x$  

The period of a sine or cosine graph can be found by ....

• It's always 2π
• 2π/B
• B(2π)
• 2π+B