## Spectrum 3 years ago Given sin x= -3/5 and x is in quadrant 3, what isthe value of tan x/2?

1. satellite73

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2. satellite73

find the side you need by pythagoras or memory

3. Spectrum

er ....4?

4. ByteMe

Now do you know the half-angle formula for the tangent function?

5. Spectrum

no

6. Zekarias

$\Huge \tan(\frac{ x }{ 2 })=\sqrt{\frac{ 1-\cos(x) }{ 1+\cos(x) }}$

7. mahmit2012

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8. Spectrum

mahmit ^ ...??

9. Spectrum

what is the value of tan = x/2

10. Spectrum

hmmm...

11. technopanda13
12. omnomnom

Lol @technopanda13

13. Spectrum

I love troll face....just not right now

14. omnomnom

Oh right sorry spectrum .. i cant help you with this problem T_T

15. Spectrum

iight

16. omnomnom

^_^ sorry

17. Spectrum

iz cool..il guess and ifi get it wrong.oh wel

18. omnomnom

OMG Is this a hw..test..quiz.. or what?

19. Spectrum

a study practice thing online

20. omnomnom

@nincompoop

21. omnomnom

Maybe he could help :P

22. Spectrum

he a boss ...js

23. omnomnom

Lol