Asked by Dispurple

Use a graphing calculator to solve the equation in the interval from 0 to 2 pi. Round to the nearest hundredth. 7 cos (2t)=3
Answered by oobleck
so what's the problem? You do know how to use your calculator, right?
You can confirm your results here:

https://www.wolframalpha.com/input/?i=7cos%282t%29+%3D+3+for+t%3D0..2pi
Answered by oobleck
huh. for some reason that link didn't work. Try this

https://www.wolframalpha.com/input/?i=7cos%282t%29+%3D+3+
Answered by steve
does anyone know the answer? i’m confused
Answered by ;-;
i still don’t have the answer to this day :(, i guess i can try to find a calculator to do it for me
Answered by Halp
Plez answer🥲
Answered by R.I.P.
R.I.P.
Answered by I understand the feeling
Answer: t=0.56 and t= 2.58
Answered by I understand the feeling
Also, t = 3.71 and t = 5.72
Answered by mua
7 cos (2t)= 3
cos2t= 3/7
2t=1.128, 5.155
t=0.564, 2.578
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