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gjhfdfg
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Use a graphing calculator to solve the equation 3 cos t = 1 in the interval from 0 to 2p. Round to the nearest hundredth.
 2 years ago
 2 years ago
gjhfdfg Group Title
Use a graphing calculator to solve the equation 3 cos t = 1 in the interval from 0 to 2p. Round to the nearest hundredth.
 2 years ago
 2 years ago

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gjhfdfg Group TitleBest ResponseYou've already chosen the best response.0
I typed it in on my calculator but did not do a thingg!
 2 years ago

swissgirl Group TitleBest ResponseYou've already chosen the best response.1
\(\cos(t)=\large{1 \over 3} \) \(\cos^{1}(\large{1 \over 3} )=t\)
 2 years ago

gjhfdfg Group TitleBest ResponseYou've already chosen the best response.0
How did you get that?
 2 years ago

swissgirl Group TitleBest ResponseYou've already chosen the best response.1
First I divided 3 from both sides
 2 years ago

swissgirl Group TitleBest ResponseYou've already chosen the best response.1
\(3\cos(t)=1\) \(\large {3\cos(t) \over 3}={1 \over 3}\) \(\cos(t)=\large{1 \over 3}\) \(\cos^{1}(\cos(t))=Cos^{1}(\large{1 \over 3})\) \(t=Cos^{1}(\large{1 \over 3})\)
 2 years ago

gjhfdfg Group TitleBest ResponseYou've already chosen the best response.0
How would you put this in a decimal form.?
 2 years ago

swissgirl Group TitleBest ResponseYou've already chosen the best response.1
lol you gotta put this into your calc first and then your answer will be a decimal
 2 years ago

gjhfdfg Group TitleBest ResponseYou've already chosen the best response.0
Oh wow that was dumb of me lol. I was thinking this had to be put in a decimal form.! before solving it
 2 years ago

gjhfdfg Group TitleBest ResponseYou've already chosen the best response.0
I got 109.47
 2 years ago

swissgirl Group TitleBest ResponseYou've already chosen the best response.1
Are you supossed to be working in radians or degrees?
 2 years ago

gjhfdfg Group TitleBest ResponseYou've already chosen the best response.0
Ah, I had my calc set in degrees, I'm pretty sure I'm suppose to be using radians.! Gah I keep forgetting to change the mode
 2 years ago

gjhfdfg Group TitleBest ResponseYou've already chosen the best response.0
Ok now I got 1.91.!
 2 years ago

swissgirl Group TitleBest ResponseYou've already chosen the best response.1
YUP THAT IS WHAT I GOT :)
 2 years ago

gjhfdfg Group TitleBest ResponseYou've already chosen the best response.0
Thanks for the help.! (:
 2 years ago
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