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Trigonometry
#3
Okay, I give up.

[Image: kJObrcd.png]

I have to prove it via mathematical induction.

Which means I have to make this:

[Image: FXeg3hI.png]

equal to this:

[Image: V7Prd3N.png]

right?

Or is it easier to start from the left instead?

p.s. Don't work it out for me; I'll try again when I'm less stressed out.

EDIT: Wait, wait. Hold that thought. WHAT WAS I EVEN DOING ANYWAY. I don't need to equate those two. I need to equate the sum from 1 to k plus the (k+1)th term with the sum to (k+1) using the equation on the other side.

Great. Now I look like an idiot.


EDIT2: Nope, still having problems. I've proven the base case for the conjecture, but the inductive step is proving to be as much of a pain as what I was initially doing.
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Messages In This Thread
Trigonometry - by Hanabira.Kage - 2014-06-06, 10:26 PM
Trigonometry - by Locked - 2014-06-06, 11:16 PM
Trigonometry - by Hanabira.Kage - 2014-06-07, 12:30 AM
Trigonometry - by shouri - 2014-06-07, 01:59 AM
Trigonometry - by Hanabira.Kage - 2014-06-07, 12:14 PM
Trigonometry - by hadriel - 2014-06-07, 01:14 PM
Trigonometry - by Hanabira.Kage - 2014-06-08, 10:55 PM
Trigonometry - by hadriel - 2014-06-09, 10:21 AM
Trigonometry - by Hanabira.Kage - 2014-06-09, 01:07 PM
Trigonometry - by shouri - 2014-06-09, 05:46 PM
Trigonometry - by Hanabira.Kage - 2014-06-10, 09:18 PM

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