Trigonometry IDENTITIES please HELP!

  • qtcati
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Post 3+ Months Ago

can any1 help please,i need an answer for these...

1. sinq (cscq - sinq) = cos2q
2. sin x / 1+cos x/ sin x = 2 cos x
3. ((csc t – cot t) ( sec t + 1)) = tan t
4. csc2q - 1/ cosq = cotq csc q
5. sin u/ 1- cos u = tan u / sec u –1
6. tanq -cotq / cosq + sin q = secq - cscq
7. 1 + cos2q / sin2q = 2csc2q - 1
8. secq + tanq = cosq / 1-sinq
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Post 3+ Months Ago

  • Axe
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Post 3+ Months Ago

Homework?
  • IH8Purple
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Post 3+ Months Ago

umm, go find a math fourm, this is for webmasters. we ain't math wizzes (not saying anybody is not) go try here http://www.math.com/
  • digitalMedia
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Post 3+ Months Ago

I remember I loved trig when I took it. The more apparent practicallity of it, as opposed to algebra and calculus.

Having said that, the 8 equations may as well be ancient greek to me.

IH8Purple: It's posted in "General Discussion", for goodness' sake.
:P
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Post 3+ Months Ago

Im in geometry its fun but not nearly as tough as tirg

why you dont know your own howmwork??? or
  • IH8Purple
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Post 3+ Months Ago

well as I remeber it I always did my homework by looking in the back of the textbook :roll:
  • Geekette
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Post 3+ Months Ago

Lol, IH8Purple! My books usually only contain answers to the odd numbers, though. :wink:
  • Vladdrac
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Post 3+ Months Ago

besides, don't most teachers want to see the work rather than the answer itself?
  • IH8Purple
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Post 3+ Months Ago

meh, I just tell them I do it all in my head... or write down some random nubers. my textbooks (math atleast) have all the answers :D
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Post 3+ Months Ago

Well, good for you. I bet you do wonderfully on the tests!
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Post 3+ Months Ago

Image
  • IH8Purple
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Post 3+ Months Ago

I got 93% in math this last term (final)
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Post 3+ Months Ago

Pretty good, what math course are you taking? I doubt you'll be able to get that kind of grade in anything like Calc if stick with those homework practices.
  • IH8Purple
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Post 3+ Months Ago

that was grade 10 advanced. not that I dind't know how to do the work. I just didn't feel like doing it
  • b_heyer
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Post 3+ Months Ago

Hrmm I had a 93 for the final grade in Pre-Calc I.
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Post 3+ Months Ago

I locked this post in light of what it is. I'm going back right now and editing out most of the responses that gave the answers to this obvious homework assignment. I'm leavng Axe's post for the truth that it is and a few others. I'm highly disapointed that some would provide answers to a question that obviously he/she should work out on their own.

Sorry I didn't catch this sooner.

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