anonymous
  • anonymous
tan^2(180+x) ???
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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EarthCitizen
  • EarthCitizen
\[\tan^2(180+x) = (\tan(180)+\tan(x))^2/(1-\tan(180) \tan(x))^2\]
EarthCitizen
  • EarthCitizen
x = ?
anonymous
  • anonymous
I'm so cunfused tight now I'm writing tomorrow and I'm stressing profusely :/

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EarthCitizen
  • EarthCitizen
kk, take it easy. what's the p ?
anonymous
  • anonymous
Ok (breath) the equation I'm battling with is (cos(180-x)) .(sin(x-90)) - 1 / (tan^2(180+x)).(sin90+x).(cos(-x))
anonymous
  • anonymous
(sin(90+x))*
EarthCitizen
  • EarthCitizen
\[\sin(90+x) = \cos(x) \sin(90)+\cos(90) \sin(x) \]
anonymous
  • anonymous
Ok I got that, If you've got -cos112.sin22- ((cos428.sin(-68))/tan202) how would you make the angles(?) sharp?
EarthCitizen
  • EarthCitizen
sharp ?
anonymous
  • anonymous
Haha I'm so sorry, I'm from S.A so trying to correctly translate these terms are a litte hard
EarthCitizen
  • EarthCitizen
i don't think i still get you, just use a calculator ?
anonymous
  • anonymous
The problem is we have to show our calculations, these problems usually count up to 8-10 marks... just writing down an answer isn't going to help me in this case
EarthCitizen
  • EarthCitizen
and a calculator can't be used ?
anonymous
  • anonymous
Not at all, we have to do our papers without a calculator
EarthCitizen
  • EarthCitizen
kk, do you have a formula book ?
anonymous
  • anonymous
Yes (: I wrote the the test which wasn't to bad should get about 80 =)
EarthCitizen
  • EarthCitizen
kk, God bless!

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