anonymous
  • anonymous
secθ/cosθ can not be written as 1/cos2Θ cos2Θ sec2Θ -----> I know it can be written as this, but Im not sure about the other two
Mathematics
jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
im pretty sure its the first one
anonymous
  • anonymous
I thought that too, but my friend said it was wrong.
anonymous
  • anonymous
well sec is 1/cos and cos is cos/1 so i dont see how cos can end up in the denominator..

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anonymous
  • anonymous
Ill get another opinion too @hartnn
anonymous
  • anonymous
Thats exactly what I said but she confused me
anonymous
  • anonymous
smart choice, sorry i cant help better :/ all i know is that sec is 1/cos and cos is cos over 1 so technically they would cancel each other out..
anonymous
  • anonymous
Thanks Ill try that one anyway!! :)
anonymous
  • anonymous
haha good plan :) just dont blame me if its wrong!
anonymous
  • anonymous
okay lol
anonymous
  • anonymous
Haha it was wrong, but its all good, I still made a 90.9 grade, That was the only answer I had wrong. Thank you for your time and consideration :)
anonymous
  • anonymous
awhh im sorry! which one was it then, haha. Anytime, just message me or mention me in a question you have and ill be happy to help :)
hartnn
  • hartnn
sec x = 1/ cos x .....so. cos x =1/sec x also sec x /(1/sec x ) = sec^2 x and (1/cos x)/cos x = 1/cos^2 x so, it can be written as sec^2 x or 1/cos^2 x but not cos^2 x i know it doesn't affect your score now, but i wanted you to know the standard relation, sec x=1/cos x
anonymous
  • anonymous
Thank You! @hartnn

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