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i am stuck. Prove that

Use the Generalized PMI to prove:2^n > n^2, for all n > 4 First of all, it's true for n=5. Then to prove it for n+1... Assume
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2. asked by Pat
3. 520 views
Proove that:a)2^(1/2) is not rational. b) prove that 2^(1/3) is not rational. I have managed to prove the first part, but i am
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2. asked by arthur
3. 634 views
I need to prove this identity:cot(x)+tan(x)=csc(x)sec(x) I get as adding them together, but then I get stuck.
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2. asked by Jana
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How would you simplify and prove (csc x - cot x)^2 = (1-cos x)/(1+cos x)? I've tried a lot of different starts, but I keep
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2. asked by John
3. 389 views
How would you simplify and prove (csc x - cot x) = (1-cos x)/(1+cos x)? I've tried a lot of different starts, but I keep getting
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2. asked by Katie
3. 426 views
(sec^2x-1)(csc^2x-1)=1 prove the following identityive been stuck on this for hours please help
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2. asked by Anonymous
3. 1,216 views
prove the following using trigonometric identities: cos 0 (sin 0 + cos 2nd power / sin 0) = cot 2. Keep getting stuck. thanks
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2. asked by Debbie
3. 457 views
OK, I've been stuck on this question for like.. an hour. Prove how cos 2x = 1. Thanks for the help!Nvm... lol I got it. There
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2. asked by Jordan
3. 413 views
how would you prove that sin^2(a)-cos^2(b)= sin^2(b)-cos^2(a).i'm not completely sure that this is right but i used the
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2. asked by mike
3. 462 views
Hi, I really need help with these questions. I did some of them halfway, but then I got stuck. Would you please help me? Thank
1. 4 answers
2. asked by LIZZIE010
3. 818 views