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Scorpion4ik [409]
3 years ago
8

Cos(2x) - 3cos(x) + 2= 0 ??

Mathematics
1 answer:
alexandr1967 [171]3 years ago
3 0
Ignore above
your equation is 2(cosx)^2-3cosx+1=0
use quadratic formula to get results
you will end up with
cosx=1 or cosx=1/2
so, x=0 or x=pi/3

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Read 2 more answers
[Related Rates]
Orlov [11]
Below is the solution: 

A(final)=16cm^2 ds/dT=6 da/dT=? 

<span>A=(s)^2 A=16cm^2 , s=sqrt(A) , s=sqrt(16) , s=4cm </span>

<span>da/dT=2(s)(6cm/sec) , da/dT=12cm/sec(s) , da/dT=12cm/sec (4cm) 
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<span>Answer should be da/dT=48cm^2/sec
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Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions here.

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