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Help 44,45

NotSoSmart  May 17, 2018
 #1
avatar+3276 
+2

45. tan 5pi/6=\(\frac{-\sqrt3}{3}\)

tertre  May 17, 2018
 #2
avatar+3654 
0

44. ?

NotSoSmart  May 17, 2018
 #3
avatar+91141 
+1

44.

 

We  have this function

 

y  = A cos (Bθ )

 

A  = the amplitude = l 0.5  l   = 0.5

 

To find B....we have that

 

2pi  / period  = B

 

2pi / [ 2 pi / 3 ]  = B

 

2pi * 3  / 2pi  = B 

 

3  = B

 

So...the correct answer is

 

y  = 0.5cos (3θ )

 

 

 

cool cool cool

CPhill  May 18, 2018

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