Y1_UniMaths
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#1
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#1
I need help with 14bii please. Is there a link between part bi that I can use?
http://imgur.com/a/TwaH3zK
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mqb2766
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#2
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If you can't see what to write down, try evaluating the first / second / ... derivative and see what the pattern is. Is there a trig transformation that relates the two expressions
cos(x) + sin(x)
cos(x) - sin(x)
Last edited by mqb2766; 1 month ago
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3pointonefour
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Let f(x) = cos(x) + sin(x)
What would f(-x) be?
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Y1_UniMaths
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(Original post by mqb2766)
If you can't see what to write down, try evaluating the first / second / ... derivative and see what the pattern is. Is there a trig transformation that relates the two expressions?
Got it now thanks
Last edited by Y1_UniMaths; 1 month ago
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Y1_UniMaths
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(Original post by 3pointonefour)
Let f(x) = cos(x) + sin(x)
What would f(-x) be?
Excellent thanks!
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3pointonefour
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(Original post by Y12_FurtherMaths)
Excellent thanks!
No problem
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Y1_UniMaths
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(Original post by 3pointonefour)
No problem
I would've never thought of that since I haven't had to use that in so long! Maybe I should do some revision haha
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3pointonefour
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(Original post by Y12_FurtherMaths)
I would've never thought of that since I haven't had to use that in so long! Maybe I should do some revision haha
You're saying you should do some revision while you're literally working when schools over 😂😂

It was probably just my STEP revision from a few months ago that's keeping me in practice tbh lol
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Y1_UniMaths
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(Original post by 3pointonefour)
You're saying you should do some revision while you're literally working when schools over 😂😂

It was probably just my STEP revision from a few months ago that's keeping me in practice tbh lol
I slacked a lot when we got off school so I'm just teaching myself the rest of what we didn't cover in school. I'm leaving it late like always oops
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3pointonefour
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(Original post by Y12_FurtherMaths)
I slacked a lot when we got off school so I'm just teaching myself the rest of what we didn't cover in school. I'm leaving it late like always oops
Ah I see but better late then never I suppose 😂

What university did you firm? I assume you're applying for maths?
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Y1_UniMaths
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(Original post by 3pointonefour)
Ah I see but better late then never I suppose 😂

What university did you firm? I assume you're applying for maths?
Yeah I've gone for an MMath course at university of Manchester. What about you?
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(Original post by Y12_FurtherMaths)
Yeah I've gone for an MMath course at university of Manchester. What about you?
I've firmed Imperial for an MMath as well. Good luck on results day!
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Y1_UniMaths
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(Original post by 3pointonefour)
I've firmed Imperial for an MMath as well. Good luck on results day!
And you!
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