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

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

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

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

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

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

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

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

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

gjhfdfg
 2 years ago
Best ResponseYou've already chosen the best response.0Ah, 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

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

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