+0  
 
0
51
6
avatar

algebra

 Dec 15, 2018

Best Answer 

 #1
avatar+812 
0

\(-\dfrac{2}{5}\)

 

- PM

 Dec 15, 2018
 #1
avatar+812 
0
Best Answer

\(-\dfrac{2}{5}\)

 

- PM

PartialMathematician Dec 15, 2018
 #2
avatar+812 
0

Wait for someone else's answer to confirm. I am not 100% sure.

PartialMathematician  Dec 15, 2018
 #3
avatar+94209 
+2

Note that  tan (2pi - x)  =

 

sin (2pi - x)          sin2pi * cosx - cos2pi *sinx

_________  =    _______________________  =

cos (2pi - x)       cos2pi *cosx + sin 2pi * sinx

 

 

- sin x

_____   =  

 cos x

 

- 2 / sqrt (29)

___________   =

  5 / sqrt (29)

 

-2/5

 

Just as PM found.......!!!!

 

 

cool cool cool

 Dec 15, 2018
 #4
avatar+812 
0

Why is mine the best answer? I forgot to explain, and your answer, CPhill, explained everything clearly and brilliantly. I give CPhill's answer the title of Best Answer. laugh‚Äč

PartialMathematician  Dec 15, 2018
 #5
avatar
0

gfhrsghsdfghdfghsfhghsfghghsfghsfghsfghsfgsfgsfghsfhsfgfsghsfghsfsffsghfsghfsghfshfsghggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggg

 Dec 15, 2018
 #6
avatar+812 
0

??? um

PartialMathematician  Dec 16, 2018

8 Online Users

New Privacy Policy

We use cookies to personalise content and advertisements and to analyse access to our website. Furthermore, our partners for online advertising receive information about your use of our website.
For more information: our cookie policy and privacy policy.