anonymous
  • anonymous
lim θ→0 sin(cos 8θ)/sec 5θ
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
lim θ→0 sin(cos 8θ)/cos8θ . cos 8θ/sec5θ then I get cos 8θ. cos 5θ but i don't know how to continue it
myininaya
  • myininaya
\[\lim_{\theta \rightarrow 0}\frac{ \sin (\cos(8 \cdot \theta))}{\sec(5 \cdot \theta)}\] Why don't you just use direct substitution :)
myininaya
  • myininaya
\[\sec( 5 \cdot 0)=\sec(0)=1\]

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myininaya
  • myininaya
Bottom is not zero so we are good
anonymous
  • anonymous
cos 8θ=0 right? is sin 1 is 1?
anonymous
  • anonymous
i tried 1 for the answer but it is wrong
myininaya
  • myininaya
\[\sin( \cos(8 \cdot 0))=\sin(\cos(0))=\sin(1)\] We have sin(1)/1=sin(1) We are done No sin(1) totally does not =1
anonymous
  • anonymous
thankkksss you are right, I gave you medal already
myininaya
  • myininaya
lol ok thanks for the medal you are sweet

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