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algebra

 Dec 15, 2018

Best Answer 

 #1
avatar+701 
0

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

 

- PM

 Dec 15, 2018
 #1
avatar+701 
0
Best Answer

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

 

- PM

PartialMathematician Dec 15, 2018
 #2
avatar+701 
0

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

PartialMathematician  Dec 15, 2018
 #3
avatar+101798 
+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+701 
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

PartialMathematician  Dec 15, 2018
 #5
avatar
0

gfhrsghsdfghdfghsfhghsfghghsfghsfghsfghsfgsfgsfghsfhsfgfsghsfghsfsffsghfsghfsghfshfsghggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggg

 Dec 15, 2018
 #6
avatar+701 
-1

??? um

PartialMathematician  Dec 16, 2018

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