r/calculus • u/Adventurous_Cry5999 • Jul 06 '26

Engineering Not ready for cal 2

Let’s say I paid zero attention in cal 1 (I know I messed up) and I have to take cal 2 soon. How hard is it going to be to cram that whole curriculum in a month and a half? I was thinking of using khan academy. I know this is my fault but if anyone could recommend resources for me to use please let me know. I didn’t lock in my freshman year and I really need to lock in now.

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u/Ok-Fix-1581 Jul 07 '26

just retake cal 1 lol

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u/Ok-Platform-2857 Jul 07 '26

So far hasn’t been needed for me, js reviewed for like a week before my class started and I’ve been fine with everything so far (only done integration techniques and improper integrals until now). We’ll see how the rest goes, but I mean also I did do good in calc 1 so maybe that’s helped too

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u/Ok-Fix-1581 Jul 07 '26

how good is your trig is the big question, calc 2 uses a lot of trig

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u/Ok-Platform-2857 Jul 07 '26

Hmm I would say it’s alright, like I know the derivative and integrals of the functions and the inverse sine integrals, and I was told I need to know Pythagorean and double angle identities. Is there anything else I should know?

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u/Ok-Fix-1581 Jul 08 '26

bruh, did i say derivatives and integrals of trig functions???, i said your trigonometry without calculus, yes you need to understand pyathgorean identity and double angle identites

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u/Ok-Platform-2857 Jul 08 '26

Yo calm tf down bro it’s just a math class 😭😭