Can someone resolve this without derivations? Lim [cos(x) - cos(a)/ x - a] when x - a

Question

Can someone resolve this without derivations? Lim [cos(x) - cos(a)/ x - a] when x -> a

steve816 · Answer

WELCOME TO OPENSTUDY!!!

steve816 · Answer

So you are trying to find the derivative of cos(x) using the definition of derivative?

518nad · Answer

ur brackets r wrong

steve816 · Answer

^

rainstark · Answer

We aren't learning derivations yet, so my teacher wants me to resolve that without it :c

518nad · Answer

no i refuse to help

rainstark · Answer

why dude

518nad · Answer

you arent going to give me a problem where u put in the effort to put the brackets in the right place, I DONT WANT TO PUT IN THE EFFORT TO HELP

518nad · Answer

jk xD ill help u just put the brackets in the right place

rainstark · Answer

I am sorry hehe, how can I put the brackets like you want it?

518nad · Answer

right now this is waht ur saying

steve816 · Answer

Order of operations!

steve816 · Answer

You are saying to divide cos(a) by x first

518nad · Answer

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